Thesaurus

Synonyms for Idle include:

airheaded, baseless, bone-idle, bone-lazy, carefree, dark, dead, devil-may-care, discharged, dismissed, dizzy, do-nothing, dull, empty-headed, faineant, featherbrained, feckless, fired, flighty, flippant, flyaway, freewheeling, frivolous, giddy, groundless, happy-go-lucky, harum-scarum, head-in-the-clouds, idle, inactive, indolent, ineffective, ineffectual, inefficacious, inefficient, irresponsible, jobless, lackadaisical, laid-off, lazy, lean, leisured, light, light-headed, light-minded, lightheaded, loose, marginal, otiose, out of work, pink-slipped, powerless, scatterbrained, silly, single-handed, slaphappy, slothful, slow, sluggish, strikebound, superficial, toothless, trigger-happy, trivial, unaccountable, unassisted, unbacked, uncorroborated, uneffective, unemployed, unengaged, unfounded, unproductive, unprofitable, unreliable, unremunerative, unsubstantiated, unsuccessful, unsupported, unused, unwarranted, useless, wild, work-shy

idle is a ADJ.

idle, laze, slug, stagnate, tick over

idle is a VERB.