378 entries under adjective topic. ×

3
inefficacious(inferior, inadequate, feeble, useless)
3
irrelevant(worthless, trifling, petty, frivolous)
3
limp(verb, dull, fail, diminish)
3
paralytic
3
procrastinating(dull, quiet, easy, careless)
3
remiss(dull, careless, sluggish, inactivity)
3
sleeping
3
slow-moving(dull, quiet, easy, careless)
3
snail-paced
3
spiritless(dull, careless, cold, indifferent)
3
standing(quiet, still, inactive, motionless)
3
sterile(dry, useless, trivial, insufficient)
3
tardy(dull, quiet, easy, careless)
3
unengaged(clear, loose, bare, inactive)
3
untouched(new, fresh, out, used)
3
unusable(weak, stupid, useless, impractical)
3
weak(light, slight, thin, stupid)
3
workless(out, used)
3
yielding(quiet, flat, indifferent, apathetic)
2
without reason(expression, idiom, false, unwarranted)
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APASmart Define. (2015). idle thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/idle/thesaurus/synonyms
ChicagoSmart Define. 2015. "idle thesaurus" https://smartdefine.org/idle/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, idle thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/idle/thesaurus/synonyms>.
MLASmart Define. "idle thesaurus" 23 October 2015. Web. 26 September 2026. <https://smartdefine.org/idle/thesaurus/synonyms>