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highly strung

British  

adjective

  1. tense and easily upset; excitable; nervous

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Other significant roles around this time included the highly strung Major Burns in Robert Altman's M*A*S*H and THX 1138, the eponymous protagonist of George Lucas's dystopian 1971 sci-fi debut.

From BBC • Feb. 16, 2026

Aimée Kelly plays the role with a winning blend of caustic humor and narcissistic self-pity: She’s highly strung, manipulative and insecure.

From New York Times • Oct. 27, 2023

Under the FMBA, with its direct reporting line to the Kremlin, Star City’s clinic was a highly strung place.

From Reuters • Nov. 13, 2020

“I was so highly strung and so stressed out and of course I would have answered the door because it might have been the police,” he said.

From The Guardian • May 31, 2017

But the dog was weak, and highly strung, and suffered a heart attack one bright December morning in the country, leaping from the porch in happy pursuit of a squirrel.

From "The Secret History" by Donna Tartt