19 entries under idiom topic. ×

6
wet blanket(noun, expression, person, killjoy)
3
air a grievance
3
fret and fume
3
lodge a complaint
3
raise a howl
3
register a complaint
2
find fault(verb, expression, protest, complain)
1
habitually grumpy person
0
arm of the law(noun, expression, police, lout)
0
bad humor(expression, sullenness)
0
bad temper(expression, sullenness)
0
black and white(noun, expression, police, lout)
0
black looks(expression, sullenness)
0
crabby person
0
disagreeable person
0
have words
0
ill humor(expression, sullenness)
0
ill temper(expression, sullenness)
0
nut case
11 years ago|6.5k views|share |citing 
APASmart Define. (2015). grouch thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/grouch/thesaurus/synonyms
ChicagoSmart Define. 2015. "grouch thesaurus" https://smartdefine.org/grouch/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, grouch thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/grouch/thesaurus/synonyms>.
MLASmart Define. "grouch thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/grouch/thesaurus/synonyms>