| 201 | appreciate | To appreciate something is to understand its good qualities. |
| 202 | apprentice | An apprentice is a person who learns how to do a job from a skilled person. |
| 203 | approach | To approach something means to move close to it. |
| 204 | appropriate | When a thing is appropriate, it is right or normal. |
| 205 | approve | To approve of something means you like or agree with that thing. |
| 206 | approximate | Approximate means close to an exact amount, number, or time. |
| 207 | aptitude | Aptitude is a natural ability or skill. |
| 208 | aquarium | An aquarium is a place where fish and underwater animals are kept. |
| 209 | aquatic | If a plant or animal is aquatic, it lives or grows in water. |
| 210 | arbitrary | If something is arbitrary, it is not based on any plan or system, so it seems random. |
| 211 | arc | An arc is a curved shape. |
| 212 | arch | An arch is a curved opening formed under a structure such as a bridge or doorway. |
| 213 | archaeology | Archaeology is the study of the remains left by ancient societies. |
| 214 | archaic | If something is archaic, it is very old or outdated. |
| 215 | archeological | When something is archeological, it relates to archeology. |
| 216 | archeology | Archeology is the study of ancient people through their artifacts. |
| 217 | architect | An architect is a person who designs buildings. |
| 218 | architecture | Architecture is the design and form of a building. |
| 219 | arctic | Arctic shows that something is of or from the cold, far-north part of the Earth. |
| 220 | area | An area is a reasonably large place. |
| 221 | arena | An arena is a building where people can watch sports and concerts. |
| 222 | arid | If a place is arid, then it is hot and dry and gets very little or no rain. |
| 223 | arise | To arise is to happen. |
| 224 | aristocracy | The aristocracy is the highest class of people in certain societies. |
| 225 | aristocrat | An aristocrat is a person who is of the highest class in certain societies. |
| 226 | arithmetic | Arithmetic is math. |
| 227 | armed | If you are armed, you are carrying a weapon. |
| 228 | armor | Armor is metal worn by soldiers to protect the body. |
| 229 | army | An army is a large group of people who fight in wars. |
| 230 | aroma | An aroma is a scent or smell. |
| 231 | arouse | To arouse means to awaken interest or attention in someone. |
| 232 | arrange | To arrange things is to put them in the right place. |
| 233 | array | An array is a large group or number of things. |
| 234 | arrest | To arrest someone means to catch that person for doing something bad. |
| 235 | arrive | To arrive is to get somewhere. |
| 236 | arrogant | If someone is arrogant, they think that they are more important than others. |
| 237 | arrow | An arrow is a thin, straight stick shot from a bow. |
| 238 | art | Art is something creative that expresses ideas and feelings. |
| 239 | artery | An artery is a tube that takes blood from the heart to the rest of the body. |
| 240 | arthritis | Arthritis is an illness causing pain and swelling in a person’s joints. |
| 241 | article | An article is a story in a newspaper or magazine. |
| 242 | articulate | If someone is articulate, he or she has the ability to express ideas clearly and effectively. |
| 243 | artifact | An artifact is an old object made by humans that is historically interesting. |
| 244 | artificial | If something is artificial, it was not made naturally but mimics something natural. |
| 245 | artist | An artist is a person who paints, draws, or makes sculptures. |
| 246 | ash | Ash is the grey or black powder created when something is burned. |
| 247 | ashamed | Ashamed means feeling upset and embarrassed because of a bad action. |
| 248 | ashore | If something goes ashore, it goes from the water to the land. |
| 249 | aside | An action done aside is done toward the side of something or someplace. |
| 250 | ask | To ask is to say or write something to get an answer. |
| 251 | aspect | An aspect is one part or feature of something. |
| 252 | aspire | To aspire means to have a strong desire to achieve or do something. |
| 253 | assassin | An assassin is someone who murders an important person. |
| 254 | assemble | To assemble means to get together in one place. |
| 255 | assembly | An assembly is a group gathered together for the same reason. |
| 256 | assess | To assess something means to judge the structure, purpose, or quality of it. |
| 257 | asset | An asset is a skill or quality that is useful or valuable. |
| 258 | assign | When you assign work, you give that work to particular people. |
| 259 | assignment | An assignment is task that is given to you to do. |
| 260 | assimilate | To assimilate is to adopt the ways of a new culture and fully become a part of it. |
| 261 | assist | To assist someone is to help them. |
| 262 | associate | To associate means to connect something with a person or thing. |
| 263 | assume | To assume something is to think that it is true, even with no proof. |
| 264 | assure | To assure people is to tell them something is true to make them less worried. |
| 265 | asteroid | An asteroid is a giant rock from outer space. |
| 266 | astonish | To astonish someone means to greatly surprise them. |
| 267 | astrology | Astrology is the study of the stars in the belief that they influence people’s lives. |
| 268 | astronaut | An astronaut is a person who goes into outer space. |
| 269 | astronomy | Astronomy is the study of the stars and planets. |
| 270 | athlete | An athlete is a person who plays sports. |
| 271 | atmosphere | The atmosphere is the air around the Earth where weather conditions form. |
| 272 | atom | An atom is the smallest unit of a substance. |
| 273 | attach | To attach is to put two things together. |
| 274 | attack | To attack something is to hurt or damage it. |
| 275 | attain | To attain something is to succeed at something or to get something you want. |
| 276 | attempt | An attempt is an act of trying to do something, especially something difficult. |
| 277 | attend | To attend something is to go to it. |
| 278 | attention | Attention is the notice, thought, or consideration of someone. |
| 279 | attic | An attic is a room just below a house’s roof. |
| 280 | attire | Attire is nice or special clothing. |
| 281 | attitude | Someone’s attitude is the way they feel and think. |
| 282 | attorney | An attorney is one who gives others advice about the law. |
| 283 | attract | To attract means to make a person or thing come closer or be interested. |
| 284 | attribute | An attribute is a characteristic of a person or thing. |
| 285 | audible | If something is audible, then it is able to be heard. |
| 286 | audience | An audience is a group of people who gather to watch someone do something. |
| 287 | audit | To audit means to inspect financial records from a person or business. |
| 288 | auditorium | An auditorium is a large building used for public events. |
| 289 | authentic | When something is authentic, it is not false or a copy of the original. |
| 290 | author | An author is a person who wrote a certain piece of writing. |
| 291 | authoritative | If something is authoritative, it uses the best information available. |
| 292 | authority | An authority is someone who has the power to make decisions and enforce rules and laws. |
| 293 | authorize | To authorize something means to give permission for it. |
| 294 | autobiography | An autobiography is a true story of a person’s life written by that person. |
| 295 | autograph | An autograph is the written name of a famous person. |
| 296 | automate | To automate something means to have machines or computers do the work. |
| 297 | automatically | If an action happens automatically, it happens without thinking or planning. |
| 298 | automobile | An automobile is a car. |
| 299 | autonomy | Autonomy is another word for freedom or independence. |
| 300 | autumn | Autumn is the season of the year between summer and winter. |
| 301 | avail | Avail is help or benefit. |
| 302 | available | If something is available, it means you can get it. |
| 303 | avalanche | An avalanche is a large amount of snow, ice, and rock falling off a mountain. |
| 304 | avenue | An avenue is a road, often a large one with buildings on each side. |
| 305 | average | If something is average, it is at a normal level. |
| 306 | avoid | To avoid something is to stay away from it. |
| 307 | await | To await something means to wait for it. |
| 308 | awake | A person who is awake is not asleep. |
| 309 | award | An award is a prize for doing something well. |
| 310 | aware | If someone is aware, they know that something or a situation exists. |
| 311 | awareness | An awareness is knowledge or perception or a situation or fact. |
| 312 | awesome | If things or people are awesome, they are impressive or frightening. |
| 313 | awful | An awful thing is very bad. |
| 314 | awhile | If you do something awhile, you do it for a short time. |
| 315 | awkward | An awkward thing is embarrassing and uncomfortable. |
| 316 | ax | An ax is a tool used to cut wood. |
| 317 | bachelor | A bachelor is an unmarried man. |
| 318 | background | A background is a person’s education, family, and experience. |
| 319 | backstage | If something happens backstage, it occurs behind a theater’s stage. |
| 320 | bad | When something is bad, it is not good. |
| 321 | bait | Bait is something used to trick a person or thing to do something. |
| 322 | bake | To bake means to cook food in an oven. |
| 323 | balance | Balance is when two or more things are equal. |
| 324 | bald | A bald person or animal has no hair. |
| 325 | ball | A ball is a round object that is thrown, kicked, or hit in a game or sport. |
| 326 | ban | To ban something is to not let people do it. |
| 327 | banana | A banana is a long yellow fruit with soft white flesh inside. |
| 328 | band | A band is a group of people who play music. |
| 329 | bandage | A bandage is a piece of cloth used to stop bleeding. |
| 330 | bankrupt | If someone is bankrupt, then they are unable to pay their debts. |
| 331 | barber | A barber is a person whose job is to cut men’s hair. |
| 332 | bare | A bare thing is plain and not covered. |
| 333 | barely | Barely means by the smallest amount, almost not. |
| 334 | bargain | A bargain is a very good price paid for a product. |
| 335 | bark | To bark is to make a short, loud noise, like a dog. |
| 336 | barn | A barn is a large farm building that houses crops, equipment, and animals. |
| 337 | barrel | A barrel is a round thing that you can keep liquids in. |
| 338 | barrier | A barrier is something that blocks a path or way. |
| 339 | base | The base is the bottom of something. |
| 340 | basement | A basement of a house or building is a room that is built underground. |
| 341 | basic | If something is basic, it is very simple or easy. |
| 342 | basin | A basin is large bowl for washing things. A sink is sometimes called a basin. |
| 343 | basis | The basis of something is the main part of amount of it. |
| 344 | basket | A basket is a container made of woven materials that is used to carry things. |
| 345 | bath | A bath is the act of sitting in a tub of water in order to get clean. |
| 346 | bathe | To bathe means to wash oneself with water. |
| 347 | battery | A battery is an object placed inside something to supply it with electricity. |
| 348 | battle | A battle is a fight between two armies during a war. |
| 349 | bay | A bay is an area near the ocean where the land goes inward. |
| 350 | beach | The beach is a sandy or rocky place by the ocean. |
| 351 | bead | A bead is a drop of liquid. |
| 352 | beam | A beam is a heavy bar. |
| 353 | bean | A bean is a plant seed that is good to eat. |
| 354 | beard | A beard is hair that grows on a man’s chin and cheeks. |
| 355 | beast | A beast is a large and dangerous animal. |
| 356 | beat | To beat someone means to do better than they do. |
| 357 | beautiful | A beautiful thing is good to look at. |
| 358 | beauty | Beauty is the state or quality of being beautiful. |
| 359 | because | Because introduces a reason for something. |
| 360 | beforehand | If something is done beforehand, then it is done in advance. |
| 361 | behalf | If something is done on one’s behalf, it is done for that person by another. |
| 362 | behave | To behave is to act in a particular way, especially to be good. |
| 363 | behavior | Your behavior is the way you act. |
| 364 | behind | Behind means to be at the back of something. |
| 365 | belief | A belief is a strong feeling that something is correct or true. |
| 366 | belly | The belly is the stomach of a person or animal. |
| 367 | beloved | When something is beloved, it is very special and you like it very much. |
| 368 | bench | A bench is a long seat for two or more people. |
| 369 | bend | To bend is to move something so it is not straight. |
| 370 | beneath | Beneath means under or lower than. |
| 371 | benefactor | A benefactor is a person who gives money to help someone. |
| 372 | beneficial | If something is beneficial, it is good for you. |
| 373 | benefit | A benefit is a good thing. |
| 374 | beside | Someone or something beside you is next to you. |
| 375 | best | The best person or thing is better than all the others. |
| 376 | bet | To bet is to risk money on the result of a game or a business. |
| 377 | betray | To betray is to be disloyal to someone who trusts you. |
| 378 | beverage | A beverage is a drink. |
| 379 | beware | To beware means to be careful of something or someone that is dangerous. |
| 380 | beyond | Beyond is used to say that one thing is more than another. |
| 381 | bias | A bias is a person’s likelihood to like one thing more than another thing. |
| 382 | bicycle | A bicycle is a two-wheeled vehicle powered by pedaling. |
| 383 | bid | A bid to do something is an attempt to do it. |
| 384 | bike | A bike is a vehicle with two wheels powered by a human. |
| 385 | bilingual | A bilingual person can speak two languages. |
| 386 | bill | A bill is a statement of money owed for goods or for a service. |
| 387 | billion | A billion is a very large number: 1,000,000,000. |
| 388 | billionaire | A billionaire is someone who has at least one billion dollars. |
| 389 | bind | To bind people is to make them feel united together. |
| 390 | binoculars | Binoculars are a device used for seeing things that are far away. |
| 391 | biodegradable | Materials that are biodegradable break down naturally into substances that do not harm the environment. |
| 392 | biography | A biography is an account of someone’s life that is written by someone else. |
| 393 | biological | Biological describes the process of life and living things. |
| 394 | biology | Biology is the study of living things. |
| 395 | biosphere | The biosphere is the Earth’s surface and atmosphere where there are living things. |
| 396 | biotechnology | Biotechnology is the use of living parts, such as cells, in industry and technology. |
| 397 | birthplace | A birthplace is a place where a person is born or where something started. |
| 398 | bit | A bit is a small amount of something. |
| 399 | bite | Bite is the act of using your teeth to cut and tear into something. |
| 400 | bitter | A bitter person feels upset or angry about something. |