To record the speed or duration of:
To grow worse; degenerate:
Growing old; aging.
The definition of mellow is to calm down or to cause someone to calm down.
To aid in the growth of; strengthen:
To extend across in space or time:
To come to be, esp. over a period of time
To omit to perform (an expected duty, for example):
To make wrinkles or a wrinkle in:
To decline in power, importance, prosperity, influence, etc.
To refuse to accept or do something, esp. in a way that is formally polite
To mature, ripen, or develop.
To develop youthful topographic features in (a previously leveled area).
Find another word for ageing. In this page you can discover 20 synonyms, antonyms, idiomatic expressions, and related words for ageing, like: aging, timing, deteriorating, ripening, senescent, senescence, maturing, mellowing, developing, spanning and seasoning.