80 entries under noun topic. ×

2
demands
2
demurs(verb, disagrees)
2
disagreements(oppositions, disagreements)
2
objections
2
provocations
2
trials
1
antagonisms
1
appeals
1
arguments
1
bids
1
claims
1
complaints
1
contentions
1
disaccords
1
disunities
1
doubts(verb, questions, disagreements, difficulties)
1
engagements
1
frictions
1
hindrances
1
impediments
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APASmart Define. (2015). challenges thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/challenges/thesaurus/synonyms
ChicagoSmart Define. 2015. "challenges thesaurus" https://smartdefine.org/challenges/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, challenges thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/challenges/thesaurus/synonyms>.
MLASmart Define. "challenges thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/challenges/thesaurus/synonyms>