in the process of becoming obsolete
Origin of obsolescentClassical Latin obsolescens
- Being in the process of passing out of use or usefulness; becoming obsolete.
- Biology Becoming reduced during the course of evolution; vestigial or nearly vestigial. Used of an organ or other part of an organism.
Origin of obsolescentLatin obsolēscēns obsolēscent- present participle of obsolēscere to fall into disuse ob- away ; see ob- . solēre to be accustomed to
(comparative more obsolescent, superlative most obsolescent)
First attested circa 1780, from Latin obsolescentum.