fact of life
noun
any aspect of human existence that must be acknowledged or regarded as unalterable: Old age is a fact of life.
Idioms for fact of life
facts of life,
the facts concerning sex, reproduction, and birth: to teach children the facts of life.
Origin of fact of life
First recorded in 1850–55
Words nearby fact of life
facsimile machine,
facsimile transmission,
facsm,
fact,
fact finder,
fact of life,
fact-check,
fact-finding,
factice,
facticity,
faction