164 entries under tough topic. ×

17
awkward(adjective, rough, harsh, delicate)
16
exacting(adjective, dull, hard, severe)
16
fussy(adjective, hard, harsh, particular)
14
fastidious(adjective, careful, scrupulous, particular)
14
formidable(adjective, hard, severe, evil)
14
heavy(adjective, dull, hard, severe)
13
exhausting(adjective, dull, hard, awkward)
12
unmanageable(adjective, terrible, wild, awkward)
11
uphill(adjective, hard, great, easy)
10
intractable(adjective, obstinate, stubborn, problematic)
9
contrary(adjective, support, attitude, rude)
9
obstinate(adjective, hard, stubborn, complicated)
9
stiff(adjective, hard, severe, rough)
9
tiring(adjective, dull, awkward, boring)
8
refractory(adjective, wild, awkward, obstinate)
7
effortful(adjective, hard, great, rough)
7
cantankerous(adjective, hard, evil, rough)
7
challenging(adjective, hard, great, obscure)
7
dangerous(noun, adjective, hard, severe)
7
harsh(adjective, hard, severe, rough)
10 years ago|39k views|share |citing 
APASmart Define. (2016). difficult thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/difficult/thesaurus/synonyms
ChicagoSmart Define. 2016. "difficult thesaurus" https://smartdefine.org/difficult/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, difficult thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/difficult/thesaurus/synonyms>.
MLASmart Define. "difficult thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/difficult/thesaurus/synonyms>