11
grim(adjective, person, dull, blue, low)
11
luckless(adjective, bad, sad, unpleasant, miserable)
11
somber(adjective, person, dull, bad, low)
11
star-crossed(adjective, sad, unpleasant, woe, luck)
11
sulky(adjective, upset, blue, low, sad)
10
bad(adjective, person, blue, nasty, low)
10
disappointing(adjective, person, nasty, sad, dark)
10
down in the dumps(expression, adjective, idiom, upset, bad)
10
poor(adjective, nasty, sad, pain, unpleasant)
10
sombre
10
sour(adjective, bad, nasty, offensive, unpleasant)
10
very upset
9
ill-tempered(adjective, person, feelings, negative, disagreeable)
9
cranky(adjective, feelings, discontented, resentful, dissatisfied)
9
grieved(adjective, hurt, sad, sorrow, depression)
9
heartsick(adjective, bad, low, sad, gloomy)
9
hopeless(noun, adjective, upset, person, dull)
9
lamentable(adjective, sad, sorrow, depression, suffer)
9
not good
9
regrettable(adjective, wrong, sad, dark, sorrow)
10 years ago|33k views|share |citing 
APASmart Define. (2016). unhappy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unhappy/thesaurus/synonyms
ChicagoSmart Define. 2016. "unhappy thesaurus" https://smartdefine.org/unhappy/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unhappy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unhappy/thesaurus/synonyms>.
MLASmart Define. "unhappy thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/unhappy/thesaurus/synonyms>