obsolescence obsolesce • obsolescent · · · Info · Definitions · Characters · · obsolescence · · Text Latin · · Script 12 · · Length Definitions · · · (noun) the process of becoming obsolete; falling into disuse or becoming out of date. Example: "A policy of planned obsolescence." · · Noun Definition 1 Characters · · b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073