75 entries under expression topic. ×
| any which way(idiom, careless, casual, arbitrary) | |
| as one thinks best(idiom, informal, unplanned, extemporize) | |
| as one wishes(idiom, informal, unplanned, extemporize) | |
| at no charge(idiom, free, gratis) | |
| at will(informal, unplanned, extemporize, off-the-cuff) | |
| by chance(chance, unplanned, unpremeditated) | |
| caught off guard(idiom, unqualified, unsuspecting, unready) | |
| dashed off(unprepared, unplanned, unrehearsed) | |
| falling apart(adjective, moving, sensitive, touching) | |
| for nothing(free, gratis) | |
| free and easy | |
| free of charge(idiom, free, gratis) | |
| going off deep end(idiom, impulsive, rash, unthinking) | |
| gone off deep end(idiom, thoughtless, impetuous, unwary) | |
| hang loose | |
| jumping the gun(idiom, thoughtless, impetuous, unwary) | |
| not accidental | |
| not averse | |
| not disclosed(adjective, unexpected) | |
| not planned(accidental, unintended) |
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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> |