past

Strongest matches

completed, former, previous, prior, spent

Strong matches

antecedent, anterior, over, precedent

Weak matches

accomplished, ago, elapsed, ended, extinct, finished, foregoing, forgotten, gone, gone-by, over and done

Strongest matches

earlier, early, late, old, preceding, previous, prior, recent

Strong matches

ancient, bygone, latter, over

Weak matches

ages ago, ancient history, back when, behind one, bypast, down memory lane, erstwhile, ex-, foregoing, gone-by, good old days, latter-day, long-ago, olden days, once, one-time, quondam, retired, sometime, time was, way back, way back when

Strongest match

history

Strong matches

antiquity, yesterday, yesteryear, yore

Weak matches

days gone by, former times, good old days, long ago, old lang syne, old times, olden days, time immemorial, times past, years ago