1. the length of time during which a being or thing has existed; length of life or existence to the time spoken of or referred to: trees of unknown age; His age is 20 years.
2. a period of human life, measured by years from birth, usually marked by a certain stage or degree of mental or physical development and involving legal responsibility and capacity: the age of discretion; the age of consent; The state raised the drinking age from 18 to 21 years.
3. the particular period of li
"populations can be aging."
"fleets can be aging."
"systems can be aging."
"societies can be aging."
"processes can be aging."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.