The whole duration of a being, whether human, animal, plant, or other kind, being alive.
That part of the duration of a being or a thing which is between its beginning and any given time; specifically the size of that part.
The number of full years, months, days, hours, etc., that someone, or something, has been alive.
Mature age; especially, the time of life at which one attains full personal rights and capacities.
The people who live during a particular period.
A long time.
The shortest geochronologic unit, being a period of thousands to millions of years; a subdivision of an epoch (or sometimes a subepoch).
One of the twelve divisions of a Great Year, equal to roughly 2000 years and goverened by one of the zodiacal signs; a Platonic month.
The time of life at which some particular power or capacity is understood to become vested.
A generation.
A period of one hundred years; a century.
The right of the player to the left of the dealer to pass the first round in betting, and then to come in last or stay out; also, the player holding this position; the eldest hand.
An advanced period of life; the latter part of life; the state of being old, old age, senility; seniority.
One of the stages of life.
A particular period of time in history, as distinguished from others.
A great period in the history of the Earth.
To cause to grow old; to impart the characteristics of age to.
To postpone an action that would extinguish something, as a debt.
To categorize by age.
To indicate that a person has been alive for a certain period of time, especially a long one.
To be viewed or turn out in some way after a certain time has passed.
To grow aged; to become old; to show marks of age.
The length of time for which an organism lives.
Some clams have lifespans far longer than those of human beings.
The length of time for which something exists or is current or valid.