102 entries under upset topic. ×

1
bother(verb, disturb, confuse, shame)
1
bring to naught(expression, idiom, fail, deceive)
1
bug(verb, bother, disturb, annoy)
1
bungle(verb, fail, deceive, thwart)
1
catch one short(verb, expression, idiom, bother)
1
come to nothing(expression, idiom, fail, deceive)
1
dash hopes(expression, fail, deceive, thwart)
1
depressed(adjective, dull, bad, blue)
1
despondent(adjective, dull, bad, blue)
1
discombobulate(verb, bother, disturb, annoy)
1
discomfit(verb, bother, disturb, confuse)
1
discompose(verb, bother, disturb, confuse)
1
discountenance(verb, bother, disturb, annoy)
1
discouraged(adjective, blue, sad, unhappy)
1
disenchanted(adjective, depressed, distressed, discontented)
1
dishearten(verb, fail, deceive, thwart)
1
dismay frustrate(expression, fail, deceive, thwart)
1
distract(verb, bother, disturb, annoy)
1
distress(verb, bother, disturb, confuse)
1
disturb(verb, bother, confuse, shame)
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APASmart Define. (2015). let down thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/let_down/thesaurus/synonyms
ChicagoSmart Define. 2015. "let down thesaurus" https://smartdefine.org/let_down/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, let down thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/let_down/thesaurus/synonyms>.
MLASmart Define. "let down thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/let_down/thesaurus/synonyms>