inactive

not participating in a chemical reaction

• “desired amounts of inactive chlorine”

not progressing or increasing; or progressing slowly

not active or exerting influence

of e.g. volcanos; permanently inactive

• “an extinct volcano”

of e.g. volcanos; temporarily inactive

• “a dormant volcano”

lacking in energy or will

• “Much benevolence of the passive order may be traced to a disinclination to inflict pain upon oneself” George Meredith

lacking activity; lying idle or unused

• “an inactive mine”
• “inactive accounts”
• “inactive machinery”

not engaged in full-time work

• “inactive reserve”
• “an inactive member of the department”

not active physically or mentally

• “illness forced him to live an inactive life”
• “dreamy and inactive by nature”

not engaged in military action

not in physical motion

• “the inertia of an object at rest”

temporarily inactive