75 entries under expression topic. ×
| off top of head(adjective, idiom, informal, impulsive) | |
| on impulse(free, informal, casual, unrehearsed) | |
| played by ear(idiom, unqualified, unprepared, unrehearsed) | |
| relied on(reasonable, ordinary, usual, normal) | |
| shot from the hip(idiom, unprepared, unplanned, unrehearsed) | |
| taking for ride(free, informal, snap, unrehearsed) | |
| thought out loud(free, informal, snap, unrehearsed) | |
| toss off(free, casual, impulsive, unprepared) | |
| toss out(free, casual, impulsive, unprepared) | |
| tossed off(free, informal, snap, unrehearsed) | |
| tossed out(free, informal, snap, unrehearsed) | |
| up front(adjective, honest, natural, impulsive) | |
| whipped up(unprepared, unplanned, unrehearsed) | |
| winging it(free, casual, thoughtless, unrehearsed) | |
| without ceremony(adjective, simple, straightforward, casual) | |
| without prompting(adjective, willing, arrogant, voluntary) | |
| according to pleasure(idiom, informal, unplanned, extemporize) | |
| ad libitem(idiom, nonpreparation) | |
| all over the map(idiom, careless, casual, arbitrary) | |
| any old way(idiom, careless, casual, arbitrary) |
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| APA | Smart Define. (2015). spontaneous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/spontaneous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "spontaneous thesaurus" https://smartdefine.org/spontaneous/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, spontaneous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/spontaneous/thesaurus/synonyms>. |
| MLA | Smart Define. "spontaneous thesaurus" 3 August 2015. Web. 23 September 2026. <https://smartdefine.org/spontaneous/thesaurus/synonyms> |