In-ăc'tive, a.

a. [Prefix in, not, and active; Fr. inactif, Sp. inactivo, It. inattivo.]

1. Not active; inert; having no power to move; 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.) Not exhibiting any action or activity; inert; as, inactive tartaric acid.

Syn.—Inert; dull; sluggish; idle; indolent; slothful; lazy. See INERT.