120 entries under difficult topic. ×

18
curmudgeonly(adjective, grumpy, abrupt, gruff)
18
disagreeable(adjective, attitude, unpleasant, negative)
17
quarrelsome(adjective, negative, unfriendly, disagreeable)
16
sour(adjective, low, sad, cross)
15
churlish(adjective, low, sad, cross)
15
hot-tempered(adjective, person, keen, intense)
15
tetchy(adjective, cross, nervous, short)
14
huffy(adjective, cross, mood, angry)
14
ill-humored(adjective, person, low, cross)
13
fretful(adjective, mean, keen, attitude)
13
morose(adjective, mean, low, cross)
13
pettish(adjective, hurt, delicate, cross)
12
bearish(adjective, tough, cross, critical)
12
edgy(adjective, mean, keen, cross)
11
captious(adjective, cross, sensitive, critical)
11
contentious(adjective, cross, rude, unpleasant)
10
prickly(adjective, cross, sensitive, disagreeable)
10
passionate(adjective, unstable, unpredictable, angry)
10
whiny(adjective, cross, rude, unpleasant)
9
perverse(adjective, mean, tough, severe)
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APASmart Define. (2016). irritable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/irritable/thesaurus/synonyms
ChicagoSmart Define. 2016. "irritable thesaurus" https://smartdefine.org/irritable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, irritable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/irritable/thesaurus/synonyms>.
MLASmart Define. "irritable thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/irritable/thesaurus/synonyms>