adj. 1 without inherent power of action, motion, or resistance. 2 without active chemical or other properties. 3 sluggish, slow. inert gas = noble gas. inertly adv. inertness n.
[ L iners inert- (as IN-(1), ars ART(1)) ]
INERT
Meaning of INERT in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012