- Definitions|1
- Thesaurus|310
- Abbreviations|0
50 entries under last topic. ×
| erstwhile(adjective, original, primitive, venerable) | |
| former(adjective, original, dead, primitive) | |
| quondam(adjective, original, primitive, venerable) | |
| old(adjective, past, other, outdated) | |
| sometime(adjective, adverb, original, past) | |
| past(adjective, original, primitive, outdated) | |
| late(adjective, original, dead, primitive) | |
| previous(adjective, dead, other, former) | |
| bygone(adjective, original, past, primitive) | |
| once(adjective, adverb, original, past) | |
| early(original, past, primitive, venerable) | |
| immemorial(original, past, primitive, venerable) | |
| one-time(previous, other, former) | |
| primeval(original, past, primitive, venerable) | |
| primitive(original, past, venerable, outdated) | |
| aboriginal(original, past, primitive, venerable) | |
| age-old(original, past, primitive, venerable) | |
| antediluvian(original, past, primitive, venerable) | |
| antiquated(adjective, original, past, venerable) | |
| antique(adjective, original, past, primitive) |
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| APA | Smart Define. (2015). onetime thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/onetime/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "onetime thesaurus" https://smartdefine.org/onetime/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, onetime thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/onetime/thesaurus/synonyms>. |
| MLA | Smart Define. "onetime thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/onetime/thesaurus/synonyms> |