184 entries under upset topic. ×

4
aggravate(verb, bother, annoy, provoke)
4
break(verb, stop, close, end)
4
deceive(verb, fail, cheat, prevent)
4
demoralize(verb, trouble, obscure, confuse)
4
dumbfound(verb, dull, disturb, fail)
4
fail(verb, thwart, dishearten, dissatisfy)
4
repel(verb, check, separate, bother)
4
rile(verb, bother, annoy, irritate)
4
vex(verb, bother, fail, strain)
3
amaze(verb, trouble, disturb, obscure)
3
anger(verb, bother, annoy, provoke)
3
befuddle(verb, trouble, disturb, obscure)
3
bungle(verb, fail, confuse, thwart)
3
chafe(verb, irritate, aggravate, infuriate)
3
disillusion(verb, fail, thwart, dishearten)
3
embarrass(verb, trouble, block, obscure)
3
faze(verb, trouble, restrain, obscure)
3
fluster(verb, trouble, obscure, confuse)
3
infuriate(verb, annoy, provoke, irritate)
3
peeve(verb, annoy, provoke, irritate)
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APASmart Define. (2015). frustrate thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/frustrate/thesaurus/synonyms
ChicagoSmart Define. 2015. "frustrate thesaurus" https://smartdefine.org/frustrate/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, frustrate thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/frustrate/thesaurus/synonyms>.
MLASmart Define. "frustrate thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/frustrate/thesaurus/synonyms>