- Definitions|0
- Thesaurus|156
- Abbreviations|0
48 entries under erstwhile topic. ×
| already(adverb, earlier, then, before, once) | |
| before(adverb, earlier, then, once) | |
| former(adjective, last, original, dead, past) | |
| obsolete(adjective, last, original, odd, old) | |
| one-time(adjective, last, dead, past, lost) | |
| outdated(adjective, last, original, odd, old) | |
| previous(adjective, last, dead, past, lost) | |
| quondam(adjective, last, original, dead, past) |
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| APA | Smart Define. (2015). of old thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/of_old/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "of old thesaurus" https://smartdefine.org/of_old/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, of old thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/of_old/thesaurus/synonyms>. |
| MLA | Smart Define. "of old thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/of_old/thesaurus/synonyms> |