95 entries under idiom topic. ×

5
go bad(verb, expression, dull, turn)
2
out of pitch(expression, flat, discordant, dissonant)
2
out of tune(expression, flat, discordant, dissonant)
2
turn sour
1
bitter as gall
1
down in the mouth(expression, low, gloomy, depressed)
1
fly into a rage(expression, adjective, anger, rage)
1
go sour(verb, expression, turn, spoil)
1
having blue devils(expression, gloomy, depressed, pessimistic)
1
having the blahs(expression, gloomy, depressed, pessimistic)
1
in a bad mood(expression, gloomy, depressed, pessimistic)
1
in a blue funk(expression, low, gloomy, depressed)
1
low-down and dirty(expression, adjective, hard, evil)
1
not smooth(expression, adjective, hard, severe)
1
not up to par(expression, adjective, quiet, rotten)
1
not up to snuff(expression, adjective, quiet, rotten)
1
out of humor(expression, discontent, sullenness)
1
out of keeping(expression, flat, discordant, dissonant)
1
out of sorts peevish(expression, difficult, critical, uptight)
1
out of temper(expression, discontent, sullenness)
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APASmart Define. (2016). sour thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sour/thesaurus/synonyms
ChicagoSmart Define. 2016. "sour thesaurus" https://smartdefine.org/sour/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sour thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sour/thesaurus/synonyms>.
MLASmart Define. "sour thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/sour/thesaurus/synonyms>