83 entries under challenge topic. ×

1
jump on(verb, expression, phrasal verb, oppose, dispute)
1
negate(verb, oppose, deny, reverse)
1
negative(verb, oppose, deny, reverse)
1
object to(verb, expression, phrasal verb, oppose, dispute)
1
oppose(verb, fight, dispute, resist)
1
refuse to accept(verb, expression, idiom, oppose)
1
reverse(verb, attack, oppose, fight)
1
stand up for(verb, expression, idiom, phrasal verb, oppose)
1
take on(verb, expression, phrasal verb, attack, oppose)
1
tangle(verb, oppose, dispute, doubt)
1
thumbs down(verb, expression, phrasal verb, oppose)
1
traverse(verb, oppose, deny, reverse)
0
dare(verb, oppose, deny, reverse)
0
go for it(verb, expression, idiom, phrasal verb, oppose)
0
go for jugular(verb, expression, idiom, oppose, dispute)
0
jockey for position(verb, expression, idiom, oppose, dispute)
0
litigate(verb, oppose, dispute, question)
0
mix it up with(verb, expression, idiom, phrasal verb, oppose)
0
push(verb, oppose, argue, litigate)
0
refute(verb, oppose, deny, reverse)
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APASmart Define. (2015). call in question thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/call_in_question/thesaurus/synonyms
ChicagoSmart Define. 2015. "call in question thesaurus" https://smartdefine.org/call_in_question/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, call in question thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/call_in_question/thesaurus/synonyms>.
MLASmart Define. "call in question thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/call_in_question/thesaurus/synonyms>