88 entries under expression topic. ×
| but once(adjective, adverb, past, then) | |
| eons ago(adverb, earlier, then, before) | |
| good old days(idiom, late, old, past) | |
| in former times(idiom, adverb, earlier, then) | |
| in olden days(idiom, adverb) | |
| in one case(idiom, adverb) | |
| in the old days(adjective, idiom, adverb, past) | |
| in the olden days(adjective, idiom, adverb, late) | |
| in the singular | |
| in times gone by(adjective, idiom, adverb, past) | |
| no longer(idiom, the past) | |
| no matter when | |
| once for all | |
| once upon a time(adjective, idiom, adverb, late) | |
| one by one | |
| one fine day(idiom, time) | |
| one time before(adjective, idiom, adverb, past) | |
| one time previously(adjective, idiom, adverb, past) | |
| only one time(adjective, idiom, adverb, past) | |
| this time(adjective, adverb, past, then) |
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| APA | Smart Define. (2016). once thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/once/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "once thesaurus" https://smartdefine.org/once/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, once thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/once/thesaurus/synonyms>. |
| MLA | Smart Define. "once thesaurus" 30 March 2016. Web. 21 September 2026. <https://smartdefine.org/once/thesaurus/synonyms> |