84 entries under adjective topic. ×
| previously(adverb, time, past, general) | |
| formerly(adverb, time, late, past) | |
| before(adverb, time, late, past) | |
| at one time(expression, idiom, adverb, late) | |
| erstwhile(adverb, time, last, original) | |
| as soon as(conjunction, expression, verb, phrasal verb, noun) | |
| sometime(expression, adverb, time, moment) | |
| earlier(adverb, time, late, old) | |
| heretofore(adverb, time, late, past) | |
| long ago(expression, idiom, adverb, time) | |
| already(adverb, time, late, past) | |
| late(adverb, last, original, dead) | |
| former(noun, adverb, order, time) | |
| quondam(adverb, last, original, late) | |
| old(adverb, last, late, past) | |
| on one occasion(expression, idiom, adverb, past) | |
| onetime(last, original, past, primitive) | |
| past(original, old, previous, obsolete) | |
| whilom(adverb, past, precede) | |
| bygone(adverb, last, original, late) |
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| APA | Smart Define. (2016). once thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/once/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "once thesaurus" https://smartdefine.org/once/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, once thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/once/thesaurus/synonyms>. |
| MLA | Smart Define. "once thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/once/thesaurus/synonyms> |