The DICT Development Group
3 definitions found
From The Collaborative International Dictionary of English v.0.48 :
Inactive \In*ac"tive\, a. [Pref. in- not + active: cf. F.
1. Not active; having no power to move; that does not or can
not produce results; inert; as, matter is, of itself,
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.
4. (Chem. & Biochem.) Lacking biological or biochemical
activity; not causing a specific biological or biochemical
effect; -- said of substances such as enzymes which have
lost their catalytic power, or of small molecules which
are tested for some type of biological activity and found
to lack that activity; as, after boiling for ten minutes,
the enzyme was totally inactive; the methyl analog was
inactive as an antibiotic.
Syn: Inert; dull; sluggish; idle; indolent; slothful; lazy.
From WordNet (r) 3.0 (2006) :
adj 1: (chemistry) not participating in a chemical reaction;
chemically inert; "desired amounts of inactive chlorine"
2: (pathology) not progressing or increasing; or progressing
slowly [ant: active]
3: (military) not involved in military operations [syn:
nonoperational, inactive] [ant: operational]
4: not exerting influence or change [ant: active]
5: (of e.g. volcanos) not erupting and not extinct ; "a dormant
volcano" [syn: dormant, inactive] [ant: 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, inactive] [ant:
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" [ant: active]
9: not active physically or mentally; "illness forced him to
live an inactive life"; "dreamy and inactive by nature" [ant:
10: not in physical motion; "the inertia of an object at rest"
[syn: inactive, motionless, static, still]
From Moby Thesaurus II by Grady Ward, 1.0 :
94 Moby Thesaurus words for "inactive":
abeyant, apathetic, asleep, at a standstill, cataleptic, catatonic,
contemplative, dead, deliberate, disengaged, do-nothing, dopey,
dormant, dull, easy, flat, foul, groggy, hasteless, heavy, idle,
immobile, in abeyance, in suspense, inanimate, indolent, inert,
inoperative, jobless, lackadaisical, laissez-aller, laissez-faire,
languid, languorous, latent, lazy, leaden, leisurely, lethargic,
lifeless, listless, logy, meditative, motionless, neuter, neutral,
ossified, out of work, pacific, paralytic, paralyzed, passive,
peaceful, phlegmatic, placid, procrastinating, quiescent, quiet,
quietist, quietistic, relaxed, resting, sedentary, serene, slack,
sleeping, sleepy, slothful, slow, sluggish, slumbering, smoldering,
somnolent, stagnant, stagnating, standing, standpat, static,
stationary, still, supine, suspended, tame, torpid, tranquil,
unactive, unaroused, unemployed, unhasty, unhurried, unmoving,
unoccupied, vegetable, vegetative
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