36 obsolete synonyms include out of date, outdated, outmoded, old-fashioned, no longer in use, disused, fallen into disuse, superannuated, and antiquated. Obsolete is an adjective, and its antonyms are careless, sloppy, and slapdash. Here are some additional synonyms for "obsolete" with example sentences.
36 other ways to say obsolete.
His skills are becoming obsolete nowadays.
Many technologies have become obsolete quickly.
She replaced the obsolete equipment yesterday.
The software is now considered obsolete.