| absence |
an instance or period of time of being away. [1/3 definitions] |
| adaptation |
Adaptation is the process of adapting. When living things adapt, they change over a long period of time so that they can survive in new conditions and continue to multiply. [1/3 definitions] |
| adolescence |
the period in a person's life between childhood and adulthood. |
| adolescent |
having to do with the period when a person is changing from a child to an adult. [1/2 definitions] |
| afternoon |
the period between noon and evening. [2 definitions] |
| age |
a period of history. [1/8 definitions] |
| agony |
great or intense pain and suffering in the mind or body, usually over a long period of time. |
| a little |
a brief period of time. [1/5 definitions] |
| archaic |
If something is archaic, it is of a time or has to do with a time that was very long ago. When we talk about "archaic humans," we mean humans who lived in an earlier time period and were somewhat different from the humans of more recent times. |
| average out |
to reach a middle state or level, especially after a period of changes or extremity. [1/2 definitions] |
| between |
during a set time period. [1/5 definitions] |
| bout |
a period or attack of sickness. [1/2 definitions] |
| boyhood |
the state or period of life when one is a boy. |
| break |
a period of time when something stops; interruption. [1/19 definitions] |
| budget |
a plan for how much money will be spent and earned during a certain period. [1/3 definitions] |
| century |
A century is a certain period of time. One century is equal to one hundred years. |
| childhood |
the period or state of being a child. |
| chill |
A chill is a cool or cold feeling in the air or a cold period in the weather. [1/6 definitions] |
| chronic |
happening often for a long period of time or without stopping. [1/2 definitions] |
| civilization |
A civilization is a particular group of people and its culture at a particular time or over a period of time. [1/3 definitions] |
| classic |
something that remains popular over a long period of time. [1/4 definitions] |