Old and Old hat

Old noun - Past times (especially in the phrase `in days of old').

Old hat and old are semantically related in stale topic. In some cases you can use "Old hat" instead the word "Old" as an adjective or a noun. informal substitute

Nearby Words: oldie, olden, oldish

Old and old hat are semantically related in out of date topic. Sometimes you can use "Old" instead the phrase "Old hat" as an adjective or a noun.