obsolesce

英 [ˌɒbsə'les] 美 [ˌɒbsə'les]

• v. 行将过时；成为废物

英英释义

Verb:

1. become obsolete, fall into disuse;

   "This word has not obsolesced, although it is rarely used"
   

经典引文

• The Mayor..still clung to the steadily obsolescing topper.

  出自： E. V. Lucas