| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | traditional |
| Synonyms: | acceptable, accustomed, classic, classical, conservative, conventional, customary, habitual, long-established, old, old line, popular, regular, rooted, time-honored |
| Main Entry: | alma mater |
| Part of Speech: | noun |
| Definition: | school from which one has graduated |
| Synonyms: | academy, college, institution, old school, place of graduation, place of matriculation, university |
| Main Entry: | old hand |
| Part of Speech: | noun |
| Definition: | experienced person |
| Synonyms: | expert, longtimer, old guard, old school, old soldier, old stager, old-timer, old-timer, person experienced in something, pro*, vet, veteran, warhorse |
| Antonyms: | amateur, greenhorn, rookie |
| Main Entry: | obsolete |
| Part of Speech: | adjective |
| Definition: | no longer in use, in vogue |
| Synonyms: | anachronistic, ancient, antediluvian, antiquated, antique, archaic, bygone, dated, dead, dead and gone, dinosaur, discarded, disused, done for, dusty, extinct, fossil, gone, had it, has-been, horse and buggy, kaput, moldy, moth-eaten, old, old-fashioned, old-hat, old-school, out*, out-of-date, out-of-fashion, outmoded, outworn, passé, stale, superannuated, superseded, timeworn, unfashionable |
| Notes: | things that are no longer used or needed are obsolete; things that are becoming obsolete are obsolescent |
| Antonyms: | contemporary, current, in vogue, modern, new, present, up-to-date |
| 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 |