昔 - once upon a time, antiquity, old times

past and present

the old days; the past; former times; a long time ago

ancient times; prehistoric times; the distant past; a very long time ago

the way it was; the way it used be; as of old; in former times

an age (ago); a long time (ago); a decade (ago)

old tale; folk tale; legend

long ago

old times; former times

way in the past; two (or so) decades (ago)

a long, long time ago; very long ago

a long time ago; long ago

old-fashioned person; old-timer; old fogey