NON-USER, noun 1. A not using; failure to use; neglect of official duty; default of performing the duties and services required of an officer. An office may be forfeited by misuser or nonuser. 2. Neglect or omission of use. A franchise may be lost by misuser or non-user
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI