deficient in alertness or activity
lacking in energy or will
(military) not involved in military operations
not in physical motion
(of e.g. volcanos) not erupting and not extinct
(chemistry) not participating in a chemical reaction; chemically inert
lacking activity; lying idle or unused
not active physically or mentally
not engaged in full-time work
not exerting influence or change
(pathology) not progressing or increasing; or progressing slowly
