Dictionary.com
Thesaurus.com

glass jaw

American  

noun

  1. a person's jaw, especially that of a boxer, that is vulnerable to even a light blow.


glass jaw British  

noun

  1. informal boxing a jaw that is excessively fragile or susceptible to punches

"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

Etymology

Origin of glass jaw

First recorded in 1910–15

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

But for now it’s the other way around — and the Yankees seem to have a glass jaw.

From New York Times Jun. 27, 2021

This way, Cline hit a series of targets at once: a new emotional window onto the banality of evil; an homage to a literary hero; and a squarely landed blow across the bogeyman’s glass jaw.

From Los Angeles Times Sep. 1, 2020

"America's 'Iron Lady' does not have a glass jaw," Hart told the Journal.

From US News May 5, 2015

In the classic Kennedy-Nixon debates in 1960, the first in US political history, it was not the then Vice-president's glass jaw that was the problem but rather his sweaty upper lip.

From BBC Sep. 27, 2012

It's too bad he's got a glass jaw.

From The Valley of the Moon by London, Jack

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training