Old-fashioned and Unglamorous

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

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

Unglamorous adjective - Not challenging; dull and lacking excitement.

Old-fashioned and unglamorous are semantically related. Sometimes you can use "Old-fashioned" instead an adjective "Unglamorous".