| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | old, often very old |
| Synonyms: | age-old, aged, antediluvian, antiquated, antique, archaic, back number, been around, bygone, creaky, early, elderly, few miles on, fossil, hoary, lot of mileage, moth-eaten, obsolete, old goat, old-fashioned, older, oldie, out-of-date, outmoded, primal, primeval, primordial, relic, remote, rusty, superannuated, timeworn, venerable, worse for wear |
| Antonyms: | modern, new, young |
| Main Entry: | outdated |
| Part of Speech: | adjective |
| Definition: | old-fashioned |
| Synonyms: | anachronous, antiquated, antique, archaic, back number, dated, démodé, has-been, moth-eaten, obsolete, old, old hat, out, out-of-date, out-of-style, outmoded, passé, square, tired, unfashionable, vintage |
| Antonyms: | current, modern |
| 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| Synonyms: | antiquated, back-number, dated, has-been, obsolete, of the old school, old hat, old hat, old-fashioned, out of date, out-of-date, outdated, outmoded, passe, square, unfashionable |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: | old hat |
| Part of Speech: | adjective |
| Definition: | overfamiliar |
| Synonyms: | back-number, behind the times, dated, has-been, old-fashioned, old-school, outmoded |
| Antonyms: | up-to-date |