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