Synonyms of the word

edgy

• adj. nervous, apprehensive.
• adj. (entertainment, advertising) creatively challenging; cutting edge; leading edge.
• adj. (entertainment, advertising) on the edge between acceptable and offensive; pushing the boundaries of good…
• adj. (dated) irritable.
• adj. (art) Having some of the forms, such as drapery or the like, too sharply defined.
• adj. (of a knife or blade) Sharp.
• adj. (slang) Cool by virtue of being tough, dark, or badass.

high-strung

• adj. Nervous; anxious; excited or excitable.

jittery

• adj. nervy, jumpy, on edge.
• adj. Having jitter, or unwanted signal characteristics.

jumpy

• adj. Nervous and excited.

nervy

• adj. (US) Having nerve; bold; brazen.
• adj. (Britain) Feeling nervous, anxious or agitated.
• adj. (archaic) Strong; sinewy.
• adj. (technical) jittery; having unwanted signal characteristics.

overstrung

• adj. Excessively tense or nervous.
• adj. Strung too tightly.

restive

• adj. Impatient under delay, duress, or control.
• adj. Resistant to control; stubborn.
• adj. Refusing to move, especially in a forward direction.

tense

• n. (grammar, countable) Any of the forms of a verb which distinguish when an action or state of being occurs…
• n. (linguistics, grammar, countable) An inflected form of a verb that indicates tense.
• n. (linguistics, uncountable) The property of indicating the point in time at which an action or state of…
• v. (grammar, transitive) To apply a tense to.
• adj. Showing signs of stress or strain; not relaxed.
• adj. Pulled taut, without any slack.
• v. To make or become tense.

uptight

• adj. (colloquial) Excessively concerned with rules and order, always serious.
• adj. Emotionally repressed; nervous and tense.
• adj. (colloquial) Sexually repressed.
• adj. (colloquial) Unfriendly and rude.
• n. (colloquial) An uptight person.