88 entries under adverb topic. ×
| in former times(expression, idiom, earlier, then) | |
| in olden days(expression, idiom) | |
| in one case(expression, idiom) | |
| in the old days(expression, adjective, idiom, past) | |
| in the olden days(expression, adjective, idiom, late) | |
| in time past | |
| in times gone by(expression, adjective, idiom, past) | |
| once upon a time(expression, adjective, idiom, late) | |
| one time before(expression, adjective, idiom, past) | |
| one time previously(expression, adjective, idiom, past) | |
| only one time(expression, adjective, idiom, past) | |
| radically(earlier, then, before, erstwhile) | |
| supposing | |
| this time(expression, adjective, past, then) | |
| used to be(expression, idiom, earlier, then) | |
| water under the bridge(expression, idiom, earlier, then) | |
| a long time ago | |
| a single time(adjective, past) | |
| aeons ago | |
| antecedently |
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| APA | Smart Define. (2016). once thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/once/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "once thesaurus" https://smartdefine.org/once/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, once thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/once/thesaurus/synonyms>. |
| MLA | Smart Define. "once thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/once/thesaurus/synonyms> |