Disuse

Part of speech: noun (n.)

Cessation of use, practice, or exercise; inusitation; desuetude; as, the limbs lose their strength by disuse. The disuse of the tongue in the only . . . remedy. Addison. Church discipline then fell into disuse. Southey.

Part of speech: verb (v.)

1. To cease to use; to discontinue the practice of.

2. To disaccustom; -- with to or from; as, disused to toil. "Disuse me from . . . pain." Donne.