- Definitions|1
- Thesaurus|360
- Abbreviations|0
66 entries under spontaneous topic. ×
| extemporaneous(adjective, simple, informal, natural, casual) | |
| impromptu(noun, adjective, adverb, free, simple) | |
| off-the-cuff(verb, adjective, adverb, produce, simple) | |
| unrehearsed(adjective, impulsive, prepared, unprepared) | |
| offhand(adjective, adverb, free, simple, fake) | |
| extempore(adjective, adverb, free, simple, fake) | |
| improvised(adjective, adverb, free, simple, fake) | |
| unprepared(adjective, free, ready, impromptu) | |
| extemporary(adjective, free, fake, casual, prepared) | |
| snap(adjective, free, casual, impulsive, prepared) | |
| fake(verb, create, bear, planned, compose) | |
| spur-of-the-moment(adjective, prepared, unprepared, impromptu) | |
| unplanned(adjective, free, simple, fake, informal) | |
| unstudied(adjective, free, simple, fake, natural) | |
| makeshift(adjective, free, simple, casual) | |
| unpremeditated(free, unprepared, impromptu, unplanned) | |
| automatic(adjective, free, simple, fake, passionate) | |
| extemporized(adjective, fake, informal, unprepared) | |
| improv(verb, adjective, adverb, make, fix) | |
| unarranged(unprepared, unplanned, unrehearsed, unpremeditated) |
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| APA | Smart Define. (2015). ad-lib thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ad-lib/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "ad-lib thesaurus" https://smartdefine.org/ad-lib/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, ad-lib thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ad-lib/thesaurus/synonyms>. |
| MLA | Smart Define. "ad-lib thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/ad-lib/thesaurus/synonyms> |