142 entries under severe topic. ×

13
tedious(adjective, dull, flat, difficult)
12
deep(adjective, dull, set, strong, tough)
11
arduous(adjective, dull, tough, rough)
11
dismal(adjective, upset, dull, bad)
11
powerful(adjective, person, body, strong, sound)
11
tough(noun, adjective, good, person, dull)
10
abstruse(adjective, easy, obscure, difficult)
10
cumbersome(adjective, easy, harsh, big)
10
difficult(adjective, dull, hard, tough)
10
grueling(adjective, hard, tough, difficult)
10
labored(adjective, tough, difficult, awkward)
10
recondite(adjective, easy, obscure, difficult)
9
operose(adjective, tough, rough, difficult)
9
rough(noun, adjective, calm, strong, hard)
9
solemn(adjective, quiet, difficult, sad)
9
threatening(adjective, bad, risky, weighty)
9
toilsome(adjective, tough, difficult, harsh)
9
troublesome(adjective, tough, difficult, harsh)
8
distressing(adjective, tough, rough, difficult)
8
esoteric(adjective, easy, obscure, difficult)
10 years ago|53k views|share |citing 
APASmart Define. (2016). heavy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/heavy/thesaurus/synonyms
ChicagoSmart Define. 2016. "heavy thesaurus" https://smartdefine.org/heavy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, heavy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/heavy/thesaurus/synonyms>.
MLASmart Define. "heavy thesaurus" 25 January 2016. Web. 24 September 2026. <https://smartdefine.org/heavy/thesaurus/synonyms>