'obsolesce' definitions:

Definition of 'obsolesce'

(from WordNet)

verb

Become obsolete, fall into disuse; "This word has not obsolesced, although it is rarely used"

Synonyms of 'obsolesce'

From: Moby Thesaurus

age,
antiquate,
be superseded,
become extinct,
become obsolete,
date,
fade,
fall into disuse,
fossilize,
fust,
go out,
grow old,
lose currency,
molder,
obsolete,
outdate,
pass away,
perish,
rust,
superannuate

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