95 entries under past topic. ×
| in times gone by(expression, adjective, idiom, adverb) | |
| latter(adjective, late, old, previous) | |
| latter-day(adjective, late, old, previous) | |
| long-ago(adjective, late, old, previous) | |
| moth-eaten(last, original, venerable, outdated) | |
| old-fashioned(last, original, venerable, outdated) | |
| old-time(last, original, primitive, venerable) | |
| once upon a time(expression, adjective, idiom, adverb, late) | |
| one time before(expression, adjective, idiom, adverb) | |
| one time previously(expression, adjective, idiom, adverb) | |
| only one time(expression, adjective, idiom, adverb) | |
| original(last, traditional, primitive, venerable) | |
| out-of-date(last, original, other, obsolete) | |
| outmoded(last, original, other, outdated) | |
| over(adjective, late, old, previous) | |
| preceding(adjective, late, old, previous) | |
| primordial(last, original, primitive, venerable) | |
| pristine(last, original, primitive, venerable) | |
| relic(last, original, primitive, venerable) | |
| remote(last, original, primitive, venerable) |
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| APA | Smart Define. (2016). once thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/once/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "once thesaurus" https://smartdefine.org/once/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, once thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/once/thesaurus/synonyms>. |
| MLA | Smart Define. "once thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/once/thesaurus/synonyms> |