Old-hat and Serous

Old-hat adjective - Repeated too often; overfamiliar through overuse.

Serous and old-hat are semantically related. In some cases you can use "Serous" instead an adjective phrase "Old-hat".

Serous adjective - Of or producing or containing serum.

Old-hat and serous are semantically related. Sometimes you can use "Old-hat" instead an adjective "Serous".