2 entries under difficult topic. ×

9
complex(adjective, vague, involved, uniform)
3
abstruse(adjective, simple, vague, unclear)
10 years ago|11k views|share |citing 
APASmart Define. (2016). plain thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/plain/thesaurus/antonyms
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/plain/thesaurus/antonyms>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/plain/thesaurus/antonyms>