3
debilitated(adjective, lethargic)
3
enervated(adjective, lethargic)
3
idle(adjective, lethargic)
3
lifeless(adjective, dull, slow, heavy, sluggish)
3
obtuse(adjective, ability, imbecility folly)
3
phlegmatic(adjective, dull, slow, heavy, stupid)
3
slack(adjective, dull, slow, heavy, sluggish)
3
slothful(adjective, dull, slow, heavy, stupid)
3
slumberous(adjective, dull, slow, cold, heavy)
3
thick-witted(adjective, ability, stupid)
3
thickheaded(adjective, ability)
2
dead
2
doltish(adjective, ability, imbecility folly)
2
indolent(adjective, dull, slow, heavy, apathetic)
2
laid-back(adjective, dull, slow, informal, heavy)
2
leaden(adjective, dull, slow, heavy, apathetic)
2
lumpish(adjective, dull, slow, heavy, sluggish)
2
sleepy
2
somnolent
2
stagnant(adjective, dull, slow, heavy, apathetic)
11 years ago|3k views|share |citing 
APASmart Define. (2015). hebetudinous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hebetudinous/thesaurus/synonyms
ChicagoSmart Define. 2015. "hebetudinous thesaurus" https://smartdefine.org/hebetudinous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, hebetudinous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hebetudinous/thesaurus/synonyms>.
MLASmart Define. "hebetudinous thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/hebetudinous/thesaurus/synonyms>