Old-time and Primaeval

Old-time adjective - Pleasantly reminiscent of an earlier time.

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

Primaeval adjective - Having existed from the beginning; in an earliest or original stage or state.

Old-time and primaeval are semantically related. Sometimes you can use "Old-time" instead an adjective "Primaeval".