Definitions

1. adjective

relating to or resembling a nymph; especially : having an unfulfilled or youthful charm.

“The artist’s unnymphal portrait of the queen failed to capture her elegance.”

2. adjective

not like a nymph; especially : lacking or untypical of youthful charm or beauty.

“The city’s unnymphal concrete jungle contrasted with the natural beauty of the nearby park.”