| short-tempered(irritable, tetchy, snippy) | |
| slap | |
| smart(irritable, tetchy, snippy) | |
| snapper(adjective, free, casual, unrehearsed, improvised) | |
| snappish(irritable, tetchy, snippy) | |
| snippy(irritable, tetchy) | |
| speedy(adjective, irritable, abrupt, hasty, tetchy) | |
| split-second(adjective, prompt, fast, quick, immediate) | |
| spur of the moment(expression, adjective, idiom, free, fake) | |
| straight | |
| stylish(irritable, tetchy, snippy) | |
| sudden(adjective, irritable, abrupt, hasty, tetchy) | |
| suddenly | |
| summarily | |
| summary | |
| swank(irritable, tetchy, snippy) | |
| swift(adjective, irritable, abrupt, hasty, tetchy) | |
| tart(irritable, tetchy, snippy) | |
| terse(irritable, tetchy, snippy) | |
| testy(irritable, tetchy, snippy) |
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| APA | Smart Define. (2013). on-the-spot thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/on-the-spot/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "on-the-spot thesaurus" https://smartdefine.org/on-the-spot/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2013, on-the-spot thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/on-the-spot/thesaurus/synonyms>. |
| MLA | Smart Define. "on-the-spot thesaurus" 28 June 2013. Web. 29 September 2026. <https://smartdefine.org/on-the-spot/thesaurus/synonyms> |