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
Thucydides	thoo-SID-ə-deez (English)	Ancient Greek (Latinized)
Tondra	TON-drah	Esperanto
Slavica	-	Serbian, Croatian, Slovene, Macedonian
Reziko	-	Georgian
Whetu	-	Maori
Vencel	-	Hungarian