| Main Entry: | |
| Part of Speech: | verb |
| Definition: | become obsolete |
| Synonyms: | antiquate, archaize, obsolesce, obsolete, outdate, show one's age |
| Main Entry: | superannuate |
| Part of Speech: | verb |
| Definition: | obsolesce |
| Synonyms: | date, go extinct, obsolete, outdate |