0
enigmas(noun, questions, puzzles, mysteries, conundrums)
0
exacts
0
examinations
0
exams
0
flouts
0
gainsays
0
gauntlets
0
gloves(noun, ordeals)
0
holds
0
insubordinate
0
interrogations
0
invokes
0
jealousies
0
knocks(verb, breaks, questions)
0
libels
0
mistrusts
0
mysteries(noun, questions, puzzles, conundrums)
0
nays
0
negations
0
offers
11 years ago|6.9k views|share |citing 
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>