edgy vs highly strung

edgy and highly strung both are adjectives.

Word	Noun	Adjective	Verb	Adverb
edgy	No	Yes	No	No
highly strung	No	Yes	No	No

As adjectives, edgy and highly strung are synonyms defined as:

Other synonyms of edgy include high-strung, jittery, jumpy, nervy, overstrung, restive, uptight.

edgy (adjective)	highly strung (adjective)
being in a tense state	being in a tense state