65 entries under sad topic. ×

1
depressed(adjective, upset, dull, bad, blue)
1
despondent(adjective, upset, dull, bad, blue)
1
disconsolate(adjective, dull, blue, low)
1
discouraged(adjective, upset, blue, unhappy)
1
dispirited(adjective, blue, low, unhappy)
1
down in the dumps(expression, idiom, upset, unhappy)
1
down in the mouth(expression, adjective, idiom, blue, low)
1
downhearted(adjective, upset, blue, unhappy)
1
fed up(expression, unhappy, pessimistic, morose)
1
glum(blue, unhappy, miserable, dejected)
1
heavy-hearted(adjective, dull, bad, low)
1
in the pits(expression, idiom, unhappy, morose)
1
in the toilet(expression, idiom, unhappy, morose)
1
low(adjective, dull, blue, unhappy)
1
low-down(unhappy, miserable, pessimistic, morose)
1
low-spirited(blue, unhappy, miserable, dejected)
1
lugubrious(blue, unhappy, miserable, despondent)
1
moody(blue, unhappy, miserable, dejected)
1
morose(blue, unhappy, miserable, dejected)
1
on a downer(expression, idiom, unhappy, pessimistic)
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APASmart Define. (2015). let down thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/let_down/thesaurus/synonyms
ChicagoSmart Define. 2015. "let down thesaurus" https://smartdefine.org/let_down/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, let down thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/let_down/thesaurus/synonyms>.
MLASmart Define. "let down thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/let_down/thesaurus/synonyms>