82 entries under free topic. ×
| opted(adjective, deliberate, natural, willing) | |
| taking for ride(expression, informal, snap, unrehearsed) | |
| thought out loud(expression, informal, snap, unrehearsed) | |
| toss off(expression, casual, impulsive, unprepared) | |
| toss out(expression, casual, impulsive, unprepared) | |
| tossed off(expression, informal, snap, unrehearsed) | |
| tossed out(expression, informal, snap, unrehearsed) | |
| uninhibited(adjective, calm, open, easy) | |
| unprescribed(adjective, deliberate, natural, willing) | |
| winging it(expression, casual, thoughtless, unrehearsed) | |
| wished(adjective, deliberate, natural, willing) | |
| witting(adjective, deliberate, natural, willing) | |
| at no charge(expression, idiom, gratis) | |
| chargeless(willing, gratis) | |
| cost-free | |
| costless(willing, gratis) | |
| for nothing(expression, gratis) | |
| free of charge(expression, idiom, gratis) | |
| on the house(expression, idiom, gratis) | |
| spur of the moment(expression, idiom, casual, extemporaneous) |
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| APA | Smart Define. (2015). spontaneous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/spontaneous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "spontaneous thesaurus" https://smartdefine.org/spontaneous/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, spontaneous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/spontaneous/thesaurus/synonyms>. |
| MLA | Smart Define. "spontaneous thesaurus" 3 August 2015. Web. 29 September 2026. <https://smartdefine.org/spontaneous/thesaurus/synonyms> |