86 entries under willing topic. ×
| chargeless(free, gratis) | |
| charitable | |
| costless(free, gratis) | |
| off your own bat(expression, idiom, unforced) | |
| unasked-for(free, gratis) | |
| uncalled for(expression, voluntary) |
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Spontaneous on
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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> |