idle
i-dle
verb
To spend time doing nothing; to run an engine slowly.
"He idled away the afternoon."
adjective
Not working or active; avoiding work or being used.
"The factory machines stood idle."
Thesaurus
Synonyms: lackadaisical, bone-lazy, otiose, slothful, unengaged, work-shy, faineant, indolent, leisured, lazy, bone-idle, dead