Synonyms|800Antonyms|435|Broader|9Narrower|3Related|1.5k
2
inarticulate
2
intricate
2
knotty
2
murderous(adjective, difficult)
2
painful(good, painless)
2
problematic
2
rugged(adjective, difficult, rigorous)
2
speechless
2
sticky(adjective, difficult, dry, embarrassing)
2
strong
2
taxing
2
trying
2
weighty(adjective, light, difficult, troublesome)
1
abrade
1
abrasive
1
adhesive
1
agglutinative
1
airless
1
goal-oriented
1
time-consuming
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ChicagoSmart Define. 2016. "facile thesaurus" https://smartdefine.org/facile/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, facile thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/facile/thesaurus/antonyms>.
MLASmart Define. "facile thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/facile/thesaurus/antonyms>