| abundant |
large in amount or number; more than enough. |
| abuse |
to use in a way that is wrong or bad; misuse. [2/6 definitions] |
| acacia |
a tree that grows in tropical areas of the world, especially in parts of Africa and Australia. The branches of an acacia spread out very wide and evenly across the top. Sometimes the top of the tree looks almost flat. |
| accent |
the stress a speaker gives to one syllable in a word. [1/5 definitions] |
| accord |
to agree or be in harmony (often followed by "with"). [1/4 definitions] |
| according to |
in agreement with or consistent with. [1/2 definitions] |
| accumulate |
to grow in amount or mass. [1/2 definitions] |
| accustomed |
in the habit of (usually followed by "to"). [1/2 definitions] |
| ace |
a playing card that has only one mark. In card games, an ace has either the highest value of all the cards or the lowest. [2/5 definitions] |
| acid |
a chemical substance that dissolves in water, has a sour taste, and turns blue litmus paper red. [2/4 definitions] |
| acne |
a skin condition that makes pimples appear on the face, back, or chest. It happens when oil glands in the skin are blocked. |
| acre |
a unit of area equal to 43,560 square feet, used to measure land. The acre is a standard unit of measurement in the United States and the United Kingdom. |
| acreage |
the number of acres in an area of land. |
| acronym |
a word formed by putting together the first letters or parts of a series of words in a longer phrase. |
| act |
to be a performer in plays or movies; play a role. [1/9 definitions] |
| activate |
to cause action in or make active; start. |
| actively |
in a way that involves making an effort, taking action, or participating. |
| actor |
a person who acts a part in a play, a movie, or a radio or television program. |
| actress |
a woman or girl who plays a part in movies, television, plays, or radio. |
| act up |
to behave in a bad or mischievous way; misbehave. [1/2 definitions] |
| acupuncture |
the practice of relieving pain or curing a disease by putting needles into certain parts of the body. Acupuncture is a traditional way to treat disease in China. |