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Definition of Inactive
1. Adjective. (chemistry) not participating in a chemical reaction; chemically inert. "Desired amounts of inactive chlorine"
Category relationships: Chemical Science, Chemistry
Similar to: Unreactive
Derivative terms: Inactivity
Similar to: Unreactive
Derivative terms: Inactivity
2. Adjective. (pathology) not progressing or increasing; or progressing slowly.
Category relationships: Pathology
Similar to: Dead-end, Flat, Indolent, Latent, Quiescent
Antonyms: Active
Similar to: Dead-end, Flat, Indolent, Latent, Quiescent
Antonyms: Active
3. Adjective. (military) not involved in military operations.
Exact synonyms: Nonoperational
Category relationships: Armed Forces, Armed Services, Military, Military Machine, War Machine
Antonyms: Operational
Category relationships: Armed Forces, Armed Services, Military, Military Machine, War Machine
Antonyms: Operational
4. Adjective. Not exerting influence or change.
5. Adjective. (of e.g. volcanos) not erupting and not extinct. "A dormant volcano"
Exact synonyms: Dormant
Attributes: Dormancy, Quiescence, Quiescency
Similar to: Quiescent
Antonyms: Active
Derivative terms: Dormancy, Inactiveness, Inactivity
Attributes: Dormancy, Quiescence, Quiescency
Similar to: Quiescent
Antonyms: Active
Derivative terms: Dormancy, Inactiveness, Inactivity
6. Adjective. Lacking in energy or will. "Much benevolence of the passive order may be traced to a disinclination to inflict pain upon oneself"
Exact synonyms: Passive
Attributes: Passiveness, Passivity
Similar to: Hands-off, Resistless, Supine, Unresisting
Derivative terms: Inactiveness, Inactivity, Passiveness, Passivity
Antonyms: Active
Attributes: Passiveness, Passivity
Similar to: Hands-off, Resistless, Supine, Unresisting
Derivative terms: Inactiveness, Inactivity, Passiveness, Passivity
Antonyms: Active
7. Adjective. Lacking activity; lying idle or unused. "Inactive machinery"
Similar to: Dark, Dead, Dull, Slow, Sluggish, Idle, Unused, Strikebound
Antonyms: Active
Derivative terms: Inactiveness, Inactivity
Antonyms: Active
Derivative terms: Inactiveness, Inactivity
8. Adjective. Not engaged in full-time work. "An inactive member"
9. Adjective. Not active physically or mentally. "Dreamy and inactive by nature"
Attributes: Activeness, Activity
Similar to: Desk-bound, Deskbound, Abeyant, Dormant, Hypoactive, Underactive, Inert, Sluggish, Soggy, Torpid, Sedentary
Also: Lethargic, Unenrgetic
Antonyms: Active
Derivative terms: Inactiveness
Similar to: Desk-bound, Deskbound, Abeyant, Dormant, Hypoactive, Underactive, Inert, Sluggish, Soggy, Torpid, Sedentary
Also: Lethargic, Unenrgetic
Antonyms: Active
Derivative terms: Inactiveness
10. Adjective. Not in physical motion. "The inertia of an object at rest"
Exact synonyms: Motionless, Static, Still
Similar to: Nonmoving, Unmoving
Derivative terms: Inactivity, Motionlessness, Stillness
Similar to: Nonmoving, Unmoving
Derivative terms: Inactivity, Motionlessness, Stillness
Definition of Inactive
1. a. Not active; having no power to move; that does not or can not produce results; inert; as, matter is, of itself, inactive.
Definition of Inactive
1. Adjective. Not active, temporarily or permanently ¹
2. Adjective. Not functioning or operating; broken down ¹
3. Adjective. Retired from duty or service ¹
4. Adjective. (chemistry) Relatively inert ¹
5. Adjective. (physics) Showing no optical activity in polarized light ¹
¹ Source: wiktionary.com
Definition of Inactive
1. not active [adj]
Medical Definition of Inactive
1. Not active. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)