0
burn-ups(verb, stirs, whets)
0
charges
0
citations
0
cites
0
competes
0
competitions(noun, sports)
0
contestable
0
controverts
0
conundrums(noun, questions, puzzles, mysteries)
0
debatable
0
defiance
0
defiant
0
disbelieves
0
disclaims
0
disputable
0
disputations
0
distrusts
0
elicits
0
emulates
0
endurances
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APASmart Define. (2015). challenges thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/challenges/thesaurus/synonyms
ChicagoSmart Define. 2015. "challenges thesaurus" https://smartdefine.org/challenges/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, challenges thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/challenges/thesaurus/synonyms>.
MLASmart Define. "challenges thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/challenges/thesaurus/synonyms>