Synonyms For "Idle" :
1 syllable:
dead, laze, light, loose, slug, wild
2 syllables:
baseless, groundless, jobless, lazy, leisured, slothful, stagnate, unused
3 syllables:
faineant, inactive, indolent, otiose, tick over, unemployed, unengaged, unfounded
4 syllables:
ineffective, uneffective, unsupported, unwarranted