back when

Strongest matches

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

Strong matches

• ancient
• bygone
• latter
• over

Weak matches

• ages ago
• ancient history
• 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

Weak matches

• ages ago
• back
• before
• from way back
• from year one
• gone
• since
• since God knows when
• time was

Weak matches

• eons ago
• in days of yore
• long ago
• of old
• olden days

Strongest matches

• already
• earlier
• heretofore
• once

Strong match

• erstwhile

Weak matches

• a while back
• aforetime
• anciently
• at one time
• away back
• back
• before
• before now
• before this
• down memory lane
• eons ago
• erewhile
• in former times
• in the olden days
• in the past
• lately
• long ago
• of old
• of yore
• olden days
• once upon a time
• radically
• some time ago
• time was
• used to be
• water under the bridge

Strongest matches

• already
• before
• earlier
• formerly
• late
• previously

Strong match

• erstwhile

Weak matches

• a single time
• at one time
• away back
• back
• but once
• bygone
• heretofore
• in the old days
• in the olden days
• in times gone by
• in times past
• long ago
• old
• on one occasion
• once only
• once upon a time
• one
• one time before
• one time previously
• only one time
• quondam
• sometime
• this time
• time was
• whilom

Strongest matches

• already
• formerly
• heretofore
• hitherto
• long ago
• once
• then

Strong match

• antecedently

Weak matches

• a while ago
• ahead
• ante
• at one time
• away back
• back
• before
• beforehand
• erstwhile
• fore
• forward
• in advance
• in anticipation
• in days gone by
• in the past
• precedently
• time was
• until now