(ש"ע) אי-שימוש

n. lack of use, neglect

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Noun
1. the state of something that has been unused and neglected; "the house was in a terrible state of neglect"
(synonym) neglect
(hypernym) decline, declination
(hyponym) omission

n. nepoužívání

Rzecz. nieużywanie; wyjść z użycia

(v. t.)
To disaccustom; -- with to or from; as, disused to toil.
  

(v. t.)
To cease to use; to discontinue the practice of.
  

(n.)
Cessation of use, practice, or exercise; inusitation; desuetude; as, the limbs lose their strength by disuse.