| Arabian Desert |
a very dry region that covers a large part of Saudi Arabia, Yemen, and Oman, and stretches into Jordan and Iraq. |
| Aral Sea |
formerly, a very large, single lake in Central Asia. Once one of the world's largest lakes, the Aral Sea has lost a great deal of its water in recent times and it has divided into separate parts. The southeastern part of the Aral Sea has become entirely dry and is called a desert now. |
| archaeological |
of or relating to archaeology. Archaeology is the study of human life as it existed a very long time ago. |
| arctic |
freezing or very cold weather as in the Arctic. [1/3 definitions] |
| ardent |
having or showing very strong feelings such as passion, loyalty, or desire. |
| articulated lorry |
a British word for a very large truck that consists of a cab where the driver sits and a trailer that carries goods over long distances. "Articulated lorry" often has the same meaning as "tractor-trailer." |
| asteroid |
a small, rocky, planet-like body that circles the sun and is mostly found between the orbits of Jupiter and Mars. The size of an asteroid can vary from very tiny to six hundred miles across. |
| asylum |
a place for the care of those who are not able to care for themselves, such as children without parents, people with mental illness, or the very old. [1/3 definitions] |
| atomic bomb |
a very destructive bomb; atom bomb. Its power comes from the great amount of energy released when atoms are split. |
| atrocious |
very evil, cruel, or brutal. [2 definitions] |
| austere |
being or looking very stern and serious. [2 definitions] |
| austerity |
the condition or quality of being very stern and serious. |
| awake |
very aware; alert. [1/5 definitions] |
| awe |
a very strong feeling of wonder mixed with respect or fear. [1/2 definitions] |
| awful |
very bad; terrible; of poor quality. [2 definitions] |
| awfully |
very; extremely. [1/2 definitions] |
| baby |
a very young girl or boy; infant. [2/6 definitions] |
| badly |
very much. [1/3 definitions] |
| ball2 |
(informal) a very good time or experience. [1/2 definitions] |
| balsa |
a tree of tropical America, whose wood is very light in weight. [1/2 definitions] |
| bamboo |
a tropical grass plant that has hard, woody, hollow stalks. Bamboo stalks grow straight and tall, and very quickly. Many kinds of bamboo grow as high as a tree. [1/2 definitions] |