22 entries under sour topic. ×

11
embitter(verb, upset, harm, annoy, provoke)
6
aggravate(verb, upset, annoy, provoke, excite)
6
envenom(verb, upset, harm, poison)
6
exacerbate(verb, upset, annoy, provoke, excite)
5
irritate(verb, upset, annoy, provoke, excite)
4
annoy(verb, upset, provoke, excite, irritate)
3
anger(verb, upset, disturb, harm, annoy)
3
exasperate(verb, upset, annoy, provoke, excite)
2
bitter(upset, poison, alienate, disillusion)
2
bother(verb, upset, annoy, irritate, anger)
2
curdle(noun, change, turn, spoil)
1
acidulate(noun, verb, upset, turn, spoil)
1
make bitter(expression, upset, harm, anger)
0
alienate(verb, upset, harm, anger)
0
disaffect(upset, poison, alienate, disillusion)
0
disillusion(upset, poison, alienate)
0
estrange(poison, disillusion)
0
make resentful(expression, upset, poison, alienate)
0
poison(upset, harm, alienate, disillusion)
0
upset(annoy, anger, enrage, poison)
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APASmart Define. (2015). acerbate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/acerbate/thesaurus/synonyms
ChicagoSmart Define. 2015. "acerbate thesaurus" https://smartdefine.org/acerbate/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, acerbate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/acerbate/thesaurus/synonyms>.
MLASmart Define. "acerbate thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/acerbate/thesaurus/synonyms>