| afternoon |
the period between noon and evening. [2 definitions] |
| aftershock |
a small earthquake that follows a larger one. Aftershocks start at or near the same place where the first earthquake started. There are often several aftershocks after the first earthquake. |
| afterward |
at a later time. |
| Ag |
symbol of the chemical element silver. |
| again |
one more time; over again. [2 definitions] |
| again and again |
many times. |
| against |
in the opposite direction or contrary to. [4 definitions] |
| agate |
a type of quartz that has forms or bands of different colors that look like clouds. [2 definitions] |
| age |
the length of time that a person or thing has existed. [8 definitions] |
| aged |
being old or having lived many years. [3 definitions] |
| ageism |
the act of having a bad opinion of, or not treating in a fair way, a person or group of people based on age. This kind of discrimination is often against older people. |
| agency |
a company or organization that does business in support of other companies or people. An agency helps people do things that are difficult or complicated to do just by themselves. [3 definitions] |
| agenda |
a list of things to be done or talked about. |
| agent |
a person who has been given the power to do certain actions for another person. [2 definitions] |
| aggravate |
to make worse. [2 definitions] |
| aggression |
an attack or war against a country started without good cause by another country. [2 definitions] |
| aggressive |
mean and unfriendly in one's actions; ready to argue or start fights. [2 definitions] |
| aghast |
filled with alarm or horror; shocked. |
| agile |
moving quickly and gracefully. [2 definitions] |
| agility |
the ability to move or think easily and quickly. |
| agitate |
to cause to move in a quick, tumbling motion or with force; shake. [3 definitions] |