90 entries under severe topic. ×

11
unpleasant(adjective, hard, evil, rough)
10
hairy(noun, adjective, hard, rough)
9
stiff(adjective, hard, tough, rough)
8
deep(adjective, hard, meaning, abstract)
8
uncertain(noun, adjective, hard, obscure)
7
dangerous(noun, adjective, hard, tough)
7
harsh(adjective, hard, tough, rough)
7
tiresome(adjective, hard, tough, heavy)
7
unyielding(adjective, hard, tough, wild)
6
grim(adjective, tough, harsh, unhappy)
6
terrible(adjective, tender, awful, awkward)
5
bothersome(adjective, hard, tough, rough)
5
inconvenient(adjective, hard, offensive, comfort)
5
troubling(adjective, hard, offensive, awkward)
4
rigid(adjective, hard, tough, rough)
4
vexatious(adjective, dull, hard, evil)
4
worrying(adjective, tough, upsetting, weighty)
3
mean(adjective, hard, tough, rough)
3
embarrassing(hard, offensive, awkward, tricky)
3
harrowing(adjective, hard, tender, offensive)
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APASmart Define. (2016). difficult thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/difficult/thesaurus/synonyms
ChicagoSmart Define. 2016. "difficult thesaurus" https://smartdefine.org/difficult/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, difficult thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/difficult/thesaurus/synonyms>.
MLASmart Define. "difficult thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/difficult/thesaurus/synonyms>