idlest

ˈʌɪd(ə)l

adjective

(of a person) avoiding work; lazy.

idle students

lazy,indolent,slothful,work-shy,shiftless,loafing,inactive,inert,sluggish,lethargic,languorous,listless,torpid,remiss,negligent,slack,lax,lackadaisical,impassive,good-for-nothing,do-nothing,leisurely,bone idle,fainéant,otiose