- Definitions|0
- Thesaurus|185
- Abbreviations|1
| not kosher(expression, mock, affected, impromptu) | |
| on the spot(expression, adjective, idiom, free, casual) | |
| planter(mock, affected, impromptu) | |
| set up(verb, expression, make, fix, create) | |
| snapper(adjective, free, casual, unrehearsed, improvised) | |
| soft shell(expression, mock, affected, impromptu) | |
| spontaneously | |
| spurious(mock, affected, impromptu) | |
| suppositious(mock, affected, impromptu) | |
| supposititious(mock, affected, impromptu) | |
| trumped-up(mock, affected, impromptu) | |
| unarranged(unprepared, unplanned, unrehearsed) | |
| unauthentic(mock, affected, impromptu) | |
| ungenuine(mock, affected, impromptu) | |
| without preparation(expression, adverb, offhand, impromptu, spontaneously) | |
| without preparing(expression, spontaneously, extemporaneously) | |
| without rehearsal(expression, spontaneously, extemporaneously) | |
| without restraint(expression, spontaneously, extemporaneously) | |
| extemporization | |
| improvisation |
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| APA | Smart Define. (2013). improv thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/improv/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "improv thesaurus" https://smartdefine.org/improv/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2013, improv thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/improv/thesaurus/synonyms>. |
| MLA | Smart Define. "improv thesaurus" 17 June 2013. Web. 23 September 2026. <https://smartdefine.org/improv/thesaurus/synonyms> |