not bat an eye

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Related to didn't bat an eye: bat an eyelid, didn't bat an eyelid, don't bat an eye

not bat an eye

To not display even a hint of an emotional response, such as consternation, annoyance, sadness, joy, etc. Mary didn't even bat an eye when I told her I was moving out. That guy is dangerous. I heard he killed a man without batting an eye.
See also: bat, eye, not

not bat an eye

mainly AMERICAN
If someone does not bat an eye when something happens, they do not appear at all shocked or surprised by it. She never batted an eye when I told her I was leaving my job. These people don't bat an eye when they're charged 16 dollars a pound for cheese. Note: You can also say that someone does something without batting an eye. He handed over the money without batting an eye. Note: The usual British expression is not bat an eyelid. Note: Bat is from a French word meaning to beat or flutter and is used of a bird's wings. The idea is that people who do not blink a lot in a given situation appear calm rather than nervous or surprised.
See also: bat, eye, not

not bat an eye

/eyelash Informal
To show no emotion; appear unaffected: The reporter didn't bat an eyelash while reading the gruesome news.
See also: bat, eye, not
References in periodicals archive ?
At whom she stomped her good foot, but her mother didn't bat an eye.
Though the editor didn't bat an eye, and van der Elsken was soon seated in the front row next to Diana Vreeland, he burned t hat bridge before long.
The girls' mum, Mary, 42, didn't bat an eye when she heard the news even though all three daughters are fans.
When Julia was told it is traditional at the bar for ladies to donate their underwear she didn't bat an eye.
Holmes recalled that he didn't bat an eye when the doctors proposed an experimental radiation and drug procedure to help boost these cells, even though it had been tested almost solely in mice.
They didn't bat an eye when I brought in an Eddie Bauer pillow I'd been sleeping on for three weeks.