231 entries under challenge topic. ×

5
confute(verb, consider, oppose, dispute)
5
perplexity(noun, trouble, worry, difficulty)
5
requisition(noun, verb, order, go, force)
4
call in question(verb, expression, idiom, oppose, dispute)
4
deny(verb, oppose, criticize, dispute)
4
dilemma(noun, trouble, dispute, difficulty, issue)
4
discuss(verb, check, consider, maintain, oppose)
4
knock(noun, verb, order, force, press)
4
object to(verb, expression, get, oppose, fight)
4
refute(verb, consider, oppose, dispute)
4
stumper(noun, trouble, secret, puzzle)
4
vacillate(verb, dispute, stick, doubt)
3
bid(noun, verb, order, force, press)
3
be curious(verb, dispute, think, doubt)
3
call into question(verb, expression, idiom, criticize)
3
confront(verb, get, oppose, fight, dispute)
3
contend(verb, consider, oppose, fight, dispute)
3
crux(noun, difficulty, idea, matter)
3
defy(verb, get, oppose, fight, dispute)
3
quandary(noun, trouble, dispute, difficulty, issue)
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APASmart Define. (2016). question thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/question/thesaurus/synonyms
ChicagoSmart Define. 2016. "question thesaurus" https://smartdefine.org/question/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, question thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/question/thesaurus/synonyms>.
MLASmart Define. "question thesaurus" 8 March 2016. Web. 23 September 2026. <https://smartdefine.org/question/thesaurus/synonyms>