inactive

1 slow to move or act it's easiest to catch snakes early in the morning, while they're still cold and inactive Synonyms dull, inert, lethargic, quiescent, sleepy, sluggish, torpid Related Words ambitionless, apathetic, indolent, languorous, lazy, lazyish, listless, shiftless, slack, slothful, sluggard, sluggardly; dormant, inanimate, motionless, resting, sedentary, static, still; dead; dopey (also dopy), drugged; asleep, drowsy, somnambulant; catatonic, comatose Near Antonyms busy, engaged, occupied, working; animated, bouncing, dynamic, energetic, kinetic, lively, peppy, perky, spirited, sprightly, springy, vigorous, vital, vivacious, zippy; assiduous, diligent, hardworking, industrious, sedulous Antonyms active

2 not being in a state of use, activity, or employment an inactive oil well Synonyms dead, dormant, fallow, free, idle, inert, inoperative, latent, off, unused, vacant Related Words abeyant, arrested, interrupted, suspended; unoccupied; asleep, comatose, lifeless, moribund, quiescent, sleepy; inoperable, unusable, unworkable, useless; dull, slow Phrases at rest, on the shelf, out of commission Near Antonyms functional, operable, operational, workable; assiduous, industrious, sedulous; energetic, vigorous; feasible, practical, usable (also useable), useful, viable Antonyms active, alive, busy, employed, functioning, going, living, on, operating, operative, running, working