past prime

past someone's (or something's) prime

Fig. beyond the most useful or productive period. Joan was a wonderful singer, but she's past her prime now. This old car's past its prime. I'll need to get a new one.

past your/its prime

no longer able to do something at an acceptable level because of age over the hill The dancer was past her prime, though she performed occasionally as a guest artist.

Common Names:

Name	Pronounced	Usage
Jonathan	['dʒɔnəθən]
Johnna	JAHN-ə	English
Zilpah	ZIL-pə (English)	Biblical, Biblical Hebrew
Xandra	KSAHN-drah	Dutch
Kiaran	-	English (Rare)
Hunor	-	Hungarian