| Main Entry: | archaic |
| Part of Speech: | adjective |
| Definition: | very old |
Synonyms: |
ancient, antiquated, antique, bygone, obsolete, old-fashioned, olden, out of date, outmoded, passé, primitive, superannuated |
Antonyms: |
current, modern, new, present, young |
| Main Entry: | behind the times |
| Part of Speech: | adjective |
| Definition: | not current |
Synonyms: |
antiquated, back-number, dated, has-been, obsolete, of the old school, old hat, old hat, old-fashioned, out of date, out-of-date, outdated, outmoded, passe, square, unfashionable |
| Main Entry: | date |
| Part of Speech: | verb |
| Definition: | become obsolete |
Synonyms: |
antiquate, archaize, obsolesce, obsolete, outdate, show one's age |
| Main Entry: | obsolesce |
| Part of Speech: | verb |
| Definition: | fall into disuse |
Synonyms: |
go extinct, obsolete, outdate, retire, superannuate |
| Main Entry: | outdate |
| Part of Speech: | verb |
| Definition: | obsolesce |
Synonyms: |
date, go extinct, obsolete, superannuate |
| Main Entry: | superannuate |
| Part of Speech: | verb |
| Definition: | obsolesce |
Synonyms: |
date, go extinct, obsolete, outdate |