Search Result for "obsolescent": 
Wordnet 3.0

ADJECTIVE (1)

1. becoming obsolete;


The Collaborative International Dictionary of English v.0.48:

Obsolescent \Ob`so*les"cent\, a. [L. obsolescens, -entis, p. pr. of obsolescere, to wear out gradually, to fall into disuse; ob (see Ob-) + solere to use, be wont.] Going out of use; becoming obsolete; passing into desuetude. [1913 Webster]
WordNet (r) 3.0 (2006):

obsolescent adj 1: becoming obsolete