| abundance |
a very large amount; plentiful supply. |
| abyss |
a vast pit, too deep to be measured. |
| 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. |
| ache |
to want very much. [1/3 definitions] |
| acrophobia |
a very strong fear of high places. |
| acute |
very serious; very important; critical. [1/4 definitions] |
| adaptation |
a particular change in the body of a living thing that helps the animal or plant to survive under new conditions. An adaptation happens over a very long time. [1/4 definitions] |
| addict |
one who very much enjoys a hobby or interest and spends a lot of time and energy on it. [1/3 definitions] |
| admirable |
very good; worthy of praise; deserving of being admired. |
| adorable |
very cute or charming. |
| adore |
to love and admire very strongly. [2/3 definitions] |
| advanced |
beyond an early or beginning level, or beyond the level of others; in a very developed state. [1/2 definitions] |
| afire |
very interested. [1/2 definitions] |
| age |
a very long time. [1/8 definitions] |
| aggressive |
very bold; acting as if full of power and authority; forceful. [1/2 definitions] |
| aircraft carrier |
a very large ship with a flat deck on which airplanes can take off and land. |
| albatross |
a very large sea bird found mostly in the Southern Hemisphere. Albatrosses have webbed feet, long narrow wings, and hooked beaks. |
| albino |
a human or animal that is born without normal coloring. Albinos have very pale skin and hair and pink eyes. Plants can also be albinos. |
| anaconda |
a very large snake found in South America. Anacondas are not poisonous but kill other animals by squeezing them until they cannot breathe. Anacondas can grow to over twenty feet long. |
| ancient |
very old; existing for many years. [1/2 definitions] |
| anguished |
feeling or showing great suffering or pain. |