158 entries under challenge topic. ×

4
blast(noun, verb, state, charge, maintain)
4
call into question(expression, idiom, criticize, dispute)
4
face(verb, stop, take, meet, attack)
4
negate(verb, break, disregard, oppose, correct)
4
repel(verb, reject, disregard, oppose, dismiss)
4
take on(verb, expression, phrasal verb, state, take)
3
buck(verb, oppose, correct, halt, fight)
3
controvert(verb, attack, oppose, fight)
3
dare(verb, stop, take, get, meet)
3
disaffirm(verb, break, disregard, oppose, criticize)
3
disagree(verb, attack, oppose, criticize, fight)
3
disclaim(verb, oppose, deny, reverse)
3
dissent(verb, oppose, criticize, fight)
3
fight(verb, break, take, meet, attack)
3
negative(verb, adjective, oppose, correct, halt)
3
refute(verb, break, disregard, oppose, dispute)
3
repudiate(verb, break, reject, disregard, oppose)
3
tangle(verb, oppose, join, dispute)
2
accost(verb, stop, take, get, meet)
2
assail(verb, attack, criticize, fight, dispute)
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APASmart Define. (2016). cross thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/cross/thesaurus/synonyms
ChicagoSmart Define. 2016. "cross thesaurus" https://smartdefine.org/cross/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, cross thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/cross/thesaurus/synonyms>.
MLASmart Define. "cross thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/cross/thesaurus/synonyms>