past one's prime

: ago

: just gone or elapsed

: having existed or taken place in a period before the present : bygone

: beyond the age for or of

: after

: at the farther side of : beyond

: time gone by

: something that happened or was done in the past

: the past tense of a language

: so as to reach and go beyond a point near at hand

: the second of the canonical hours

: the first hour of the day usually considered either as 6 a.m. or the hour of sunrise

: the earliest stage

: first in time : original

: of, relating to, or being a prime number — compare relatively prime

: having no polynomial factors other than itself and no monomial factors other than 1

: fill, load

: to prepare for firing by supplying with priming

: to insert a primer into (a cartridge case)