6
unresolved(adjective, doubtful, unsettled, undecided, debatable)
5
deniable(adjective, uncertain)
5
disputed
5
quarrelsome(adjective, discord, contrary, belligerent, argumentative)
5
suspect(verb, adjective)
5
undetermined(adjective, debatable)
4
dialectic(adjective, rational, reasoning, logical)
4
doubtable(adjective, contentious, provocative, debated)
4
dubitable(adjective, uncertain, doubtful, unsettled, vague)
4
eristic(adjective, reasoning, contrary, belligerent, argumentative)
4
factious(discord, contrary, belligerent, argumentative, contentious)
4
in dispute(adjective, uncertain, doubtful, dubious, contentious)
4
in question(expression, adjective, unsettled, undecided)
4
problematical
4
scrappy(adjective, contrary, belligerent, argumentative, contentious)
4
unsure(adjective, uncertain, questionable, debatable)
3
confrontational(adjective, contrary, argumentative, contentious)
3
confused(adjective, uncertain)
3
confutable
3
iffy
11 years ago|12k views|share |citing 
APASmart Define. (2015). controversial thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/controversial/thesaurus/synonyms
ChicagoSmart Define. 2015. "controversial thesaurus" https://smartdefine.org/controversial/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, controversial thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/controversial/thesaurus/synonyms>.
MLASmart Define. "controversial thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/controversial/thesaurus/synonyms>