750 entries under verb topic. ×

4
dumbfound(upset, dull, disturb, fail)
4
fail(upset, thwart, dishearten, dissatisfy)
4
flummox(disturb, block, hinder, confuse)
4
foul up(expression, phrasal verb, stop, check)
4
impair(dull, quiet, hurt, ruin)
4
negative(change, check, smooth, correct)
4
nip(stop, race, thwart, hurry)
4
repel(upset, check, separate, bother)
4
rile(upset, bother, annoy, irritate)
4
spike
4
taunt(provoke, torment, tease, torture)
4
trammel(check, ruin, restrain, block)
4
undo(stop, cross, agitate, deny)
4
vex(upset, bother, fail, strain)
4
vitiate
3
amaze(upset, trouble, disturb, obscure)
3
anger(upset, bother, annoy, provoke)
3
avoid(stop, break, halt, block)
3
baulk
3
befuddle(upset, trouble, disturb, obscure)
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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>