23 entries under difficult topic. ×

11
laborious(adjective, hard)
4
onerous
4
tricky(adjective, smooth, simple, complicated)
3
formidable(adjective, overwhelming)
3
heavy(adjective, severe)
3
rugged(adjective, rigorous)
3
severe(adjective, harsh)
3
sticky(adjective, dry, embarrassing)
3
strenuous
3
ticklish(adjective, straightforward, tricky)
3
tight(adjective, troublesome)
3
tough(adjective, laborious)
3
uphill(adjective, laborious)
2
complex(adjective, involved, intricate)
2
abstruse
2
awkward
2
murderous
2
stiff
2
thorny(adjective, problematic)
2
unapproachable
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APASmart Define. (2016). easy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/easy/thesaurus/antonyms
ChicagoSmart Define. 2016. "easy thesaurus" https://smartdefine.org/easy/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, easy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/easy/thesaurus/antonyms>.
MLASmart Define. "easy thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/easy/thesaurus/antonyms>