- Definitions|2
- Thesaurus|1.5k
- Abbreviations|0
54 entries under expression topic. ×
| ad lib(adjective, idiom, adverb, free) | |
| off the cuff(adjective, idiom, adverb, free) | |
| ad hoc(adjective, idiom, free, unplanned) | |
| ad libitum(adjective, idiom, adverb, informal) | |
| by ear(adverb, free, offhand, unrehearsed) | |
| from the hip(adjective, idiom, simple, natural) | |
| off hand | |
| off the hip(idiom, adverb, offhand, extemporaneous) | |
| according to pleasure(idiom, adverb, informal, extemporize) | |
| as one wishes(idiom, adverb, informal, extemporize) | |
| at short notice | |
| at will(adverb, informal, unplanned, extemporize) | |
| break loose(adjective, simple, natural, casual) | |
| caught off balance | |
| caught off guard(idiom, unqualified, unsuspecting, unready) | |
| dashed off(adjective, adverb, mock, affected) | |
| free spirited(adjective, simple, natural, casual) | |
| not prepared(unqualified, unsuspecting, unready) | |
| off the top of head(idiom, adverb, free, unrehearsed) | |
| off top of head(adjective, idiom, adverb, simple) |
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| APA | Smart Define. (2016). impromptu thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/impromptu/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "impromptu thesaurus" https://smartdefine.org/impromptu/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, impromptu thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/impromptu/thesaurus/synonyms>. |
| MLA | Smart Define. "impromptu thesaurus" 28 January 2016. Web. 21 September 2026. <https://smartdefine.org/impromptu/thesaurus/synonyms> |