in·ac·tive /(ˈ)ɪnˈæktɪv/ 形容詞
1. Not active; having no power to move; that does not or can not produce results; inert; as, matter is, of itself, inactive.
2. Not disposed to action or effort; not diligent or industrious; not busy; idle; as, an inactive officer.
3. Chem. & Opt. Not exhibiting any action or activity on polarized light; optically inactive; optically neutral; -- said of isomeric forms of certain substances, in distinction from other forms which are optically active; as, racemic acid is an inactive tartaric acid.
Syn: -- Inert; dull; sluggish; idle; indolent; slothful; lazy. See Inert.
adj 1: not participating in a chemical reaction; "desired amounts
of inactive chlorine"
2: not progressing or increasing; or progressing slowly [ant: active]
3: not active or exerting influence [ant: active]
4: of e.g. volcanos; permanently inactive; "an extinct volcano"
[syn: extinct] [ant: active, dormant]
5: of e.g. volcanos; temporarily inactive; "a dormant volcano"
[syn: dormant] [ant: extinct, active]
6: lacking in energy or will; "Much benevolence of the passive
order may be traced to a disinclination to inflict pain
upon oneself"- George Meredith [syn: passive] [ant: active]
7: lacking activity; lying idle or unused; "an inactive mine";
"inactive accounts"; "inactive machinery" [ant: active]
8: not engaged in full-time work; "inactive reserve" ; "an
inactive member of the department" [ant: active]
9: not active physically or mentally; "illness forced him to
live an inactive life"; "dreamy and inactive by nature"
10: not engaged in military action [syn: reserve(a)]
11: not in physical motion; "the inertia of an object at rest"
[syn: motionless, static, still]
12: temporarily inactive [syn: abeyant, in abeyance(p), suspended]