bygone
No longer current
Bygone means belonging to an earlier time, now past: bygone days, a bygone era.
As a noun, bygones are past events or grievances.
The phrase let bygones be bygones means to forgive past wrongs and move on rather than dwelling on old conflicts.
Previously but not now
- formerPreviously holding a position
- oldenOf a distant past
- yoreTime long past
- ancestralOf one's forebears
antecedent · previous · prior · once · past · earlier · historical · ancient
Old and outdated
- outdatedNo longer in use
- archaicBelonging to earlier times
- anachronisticWrongly placed in time
- defunctNo longer existing
deprecated · outmoded · old-fashioned · superseded · discarded · disused · mothballed · dated
Recalling past experiences
- yearningIntense prolonged craving
- wistfulSadly longing for something
- sentimentalExcessively emotional about memories
- longingIntense, persistent desire
melancholy · bittersweet · sepia-toned · nostalgia · retrospective · elegiac · pensive · reflective
erstwhile
Previously but not now
ancestral · antecedent · previous · prior · once · past · earlier · historical · ancient · primordial
antiquated
Old and outdated
- outdatedNo longer in use
- archaicBelonging to earlier times
- anachronisticWrongly placed in time
defunct · deprecated · outmoded · old-fashioned · superseded · discarded · disused · mothballed · dated · forgotten
reminiscence
Recalling past experiences
- yearningIntense prolonged craving
- wistfulSadly longing for something
- sentimentalExcessively emotional about memories
longing · melancholy · bittersweet · sepia-toned · nostalgia · retrospective · elegiac · pensive · reflective · reminisce
archaeology
Study of physical remnants
- antiquityGreat age, ancient era
- monumentStructure honoring someone remembered
- ruinsDecayed structural remains
artifact · relic · dynasty · empire · inscription · chronicle · manuscript · tomb · sphinx · tablet
- timesecond, minute, hour, day, seconds
- time wordsminute, hour, day, now, soon
- ancientantiquity, archaic, classical, medieval, Middle Ages
- ancient timesancient, primeval, primitive, primordial, archaic
- memoriesmemories, remember, recollections, childhood memory, childhood memories
- nostalgianostalgia, nostalgic, memories, memory, remember
bygonefuture
Time still to come
present · forthcoming · current · upcoming · imminent
bygonemodern
Of recent times
contemporary · current · new · recent · up-to-date
- let bygones be bygonesRelease past resentments mutually
- letting bygones be bygonesPardoning previous conflicts
- bygone eraPeriod no longer current