set in (one's) ways

Inflexible; unwilling to change. Grandma will never retire—she's been a teacher for 50 years and is totally set in her ways. You'll never convince him to change, he's too set in his ways now.

Common Names:

Name	Pronounced	Usage
Karsten	KAHR-sten (Low German)	Low German, Danish, Norwegian
Mared	-	Welsh
Clemmie	['klemi]
Calfuray	kal-foo-RAW-ee	Native American, Mapuche
Kamal (2)	-	Indian, Hindi, Marathi, Bengali, Gujarati, Punjabi, Tamil, Telugu, Kannada, Malayalam, Nepali
Perun	-	Slavic Mythology