16
sleepy(adjective, action, dull, quiet, low)
15
languorous(adjective, dull, weak, easy, slow)
15
slack(adjective, action, dull, quiet, flat)
15
unoccupied(adjective, action, idle, inactivity, lazy)
14
dead(adjective, calm, dull, quiet, flat)
14
lazy(adjective, dull, weak, easy, slow)
13
apathetic(adjective, dull, quiet, weak, easy)
13
unmoving(adjective, quiet, still, lifeless, passive)
12
unemployed(adjective, action, job, idle, tired)
12
flat(adjective, dull, quiet, slow, indifferent)
12
sedentary(adjective, action, lazy, inert, motionless)
11
calm(adjective, quiet, cool, gentle, indifferent)
11
immobile(adjective, action, calm, quiet, gentle)
11
inanimate(adjective, still, lifeless, alive, languid)
11
phlegmatic(adjective, dull, quiet, weak, easy)
11
supine(adjective, dull, quiet, weak, easy)
10
indifferent(adjective, dull, quiet, weak, easy)
10
resting(adjective, idle, sluggish, lazy, lethargic)
10
sleeping(adjective, action, dull, quiet, show)
10
stationary(adjective, quiet, still, inert, motionless)
11 years ago|24k views|share |citing 
APASmart Define. (2015). inactive thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/inactive/thesaurus/synonyms
ChicagoSmart Define. 2015. "inactive thesaurus" https://smartdefine.org/inactive/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, inactive thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/inactive/thesaurus/synonyms>.
MLASmart Define. "inactive thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/inactive/thesaurus/synonyms>