What does obsolescent mean?
Obsolescent describes something that is becoming outdated or ceasing to be used, usually gradually rather than all at once. It is especially useful when referring to technologies, practices, words, or cultural forms that remain in circulation but are losing their relevance or appeal. For example, a device may still work yet be described as obsolescent if newer designs have largely replaced it. The term is more precise than saying that something is old-fashioned, because it emphasizes an active process of decline, and it differs from obsolete, which indicates that something is already out of use or no longer considered current. Obsolescent is a formal word common in technical, academic, and editorial contexts. It can also carry a slightly retrospective tone, suggesting that a change is already underway and that the future of the thing in question is limited.
adjectiveIn the process of becoming obsolete; becoming outdated or gradually ceasing to be used.
- Becoming outdated, obsolete, or gradually ceasing to be used.
"The company replaced its obsolescent messaging system with a more flexible platform."
"Several obsolescent recording formats remain available, but few musicians still use them."
"The report warns that traditional fax machines are rapidly becoming obsolescent."
Obsolescent marks the moment a word or technology has not quite vanished, but the future has already decided against it.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does obsolescent come from?
Obsolescent comes from Latin, from the present participle of obsolescere, meaning “to grow old” or “become obsolete.” The word entered English in the early nineteenth century. It is closely related to obsolete and obsolescence, which share the same Latin root and refer more generally to the process or condition of becoming outdated.
How obsolescent is actually used
A formal and relatively precise term, especially in technology, linguistics, and cultural history. It describes a stage of decline rather than a completed one; an item can therefore be called obsolescent while still being occasionally used.
Easily confused with obsolescent
Obsolescent means becoming obsolete, whereas obsolete means already out of use or no longer considered current.