12
shiftless(adjective, action, dull, moving, careless)
12
torpid(adjective, calm, dull, quiet, slow)
12
trifling(adjective, dull, slight, careless, indifferent)
12
trivial(adjective, slight, small, silly, foolish)
11
empty(adjective, slight, false, small, silly)
11
free(adjective, bare, inactive, busy, relaxing)
11
groundless(adjective, reason, false, true, worthless)
11
insignificant(adjective, slight, small, useless, trivial)
11
pointless(adjective, silly, foolish, dry, useless)
11
stagnate(verb, decline, deteriorate, loaf, languish)
10
abortive(adjective, stupid, inadequate, limited, feeble)
10
fruitless(adjective, weak, stupid, inadequate, limited)
10
quiet(adjective, calm, dull, easy, gentle)
10
slow(adjective, dull, fail, diminish, decrease)
10
stationary(adjective, quiet, still, out, inactive)
10
unimportant(adjective, slight, small, silly, foolish)
10
vacant(adjective, clear, new, loose, full)
9
baseless(adjective, false, true, hollow, unwarranted)
9
bum(verb, pass, waste, relax, lazy)
9
dead(adjective, dull, quiet, cold, still)
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APASmart Define. (2015). idle thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/idle/thesaurus/synonyms
ChicagoSmart Define. 2015. "idle thesaurus" https://smartdefine.org/idle/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, idle thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/idle/thesaurus/synonyms>.
MLASmart Define. "idle thesaurus" 23 October 2015. Web. 23 September 2026. <https://smartdefine.org/idle/thesaurus/synonyms>