a mind of its own

A tendency to be unresponsive to human will: The car had a mind of its own and seemed to start only when it felt like it.

Name	Pronounced	Usage
Sharron	SHER-ən, SHAR-ən	English
Theofanis	-	Greek
Zephyrus	-	Greek Mythology (Latinized)
Elvin	EL-vin	English
Hepzibah	-	Biblical
Veniaminu	-	Old Church Slavic