highly-strung

(British & Australian) also high-strung (American)

nervous and easily upset Anna has always been highly-strung, whereas her brother is one of the most relaxed people you could meet.

Name	Pronounced	Usage
Chloe	KLO-ee (English)	English, Biblical, Biblical Latin, Biblical Greek, Ancient Greek, Greek Mythology
Fiona	fee-O-nə	Scottish, English
Brannon	-	English
Lisbeth	['lizbəθ]
Constantius	-	Late Roman
Chile	KIEL, KIE-əl	English (Rare)