378 entries under adjective topic. ×

8
stagnant(calm, quiet, gentle, dirty)
8
static(calm, dull, quiet, flat)
8
unmoving(quiet, still, lifeless, inactive)
8
unwarranted
7
at leisure(expression, idiom, clear, loose)
7
barren(inadequate, feeble, useless, trivial)
7
do-nothing(action, dull, informal, sluggish)
7
immobile(calm, dull, quiet, gentle)
7
inanimate(still, lifeless, inactive, alive)
7
inoperative(action, calm, dull, weak)
7
nugatory(slight, small, silly, insignificant)
7
phlegmatic(quiet, easy, heavy, indifferent)
7
redundant(out, used)
7
shallow(ignorant, unimportance, unintelligent)
7
superficial(slight, silly, foolish, trivial)
7
unfruitful(inferior, dry, inadequate, limited)
6
asleep(calm, dull, quiet, gentle)
6
dilatory(dull, quiet, easy, careless)
6
dull(careless, cold, indifferent, still)
6
flimsy(light, weak, slight, thin)
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APASmart Define. (2015). idle thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/idle/thesaurus/synonyms
ChicagoSmart Define. 2015. "idle thesaurus" https://smartdefine.org/idle/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, idle thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/idle/thesaurus/synonyms>.
MLASmart Define. "idle thesaurus" 23 October 2015. Web. 25 September 2026. <https://smartdefine.org/idle/thesaurus/synonyms>