Word Study
obsolesce
CIDE DICTIONARY
obsolesce, v. i. [L. obsolescere. See Obsolescent.].
To become obsolescent. Fitzed. Hall. [1913 Webster]
THESAURUS
obsolesce
age, antiquate, be superseded, become extinct, become obsolete, date, fade, fall into disuse, fossilize, fust, go out, grow old, lose currency, molder, obsolete, outdate, pass away, perish,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, superannuateFor further exploring for "obsolesce" in Webster Dictionary Online