| cover | |
| crabbing | |
| crabby person(expression, idiom) | |
| curmudgeonly | |
| disagreeable person(expression, idiom) | |
| displeasure | |
| dork(noun, police, lout, copper) | |
| dwell | |
| eat heart out(verb, expression, idle, sulk, bitch) | |
| farmer | |
| feds(noun, police, lout, copper, dork) | |
| feel sorry for yourself(verb, expression, idiom, sulk, grumble) | |
| flatfoot(noun, police, lout, copper, dork) | |
| gendarme(noun, police, lout, copper, dork) | |
| glass | |
| grouchy person | |
| growl | |
| grudging | |
| grunt | |
| grunter |
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| APA | Smart Define. (2015). grump thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/grump/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "grump thesaurus" https://smartdefine.org/grump/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, grump thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/grump/thesaurus/synonyms>. |
| MLA | Smart Define. "grump thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/grump/thesaurus/synonyms> |