tight-lipped

American  

[tahyt-lipt] / ˈtaɪtˈlɪpt /

adjective

1. speaking very little; taciturn; close-mouthed.

2. having the lips drawn tight.

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tight-lipped British  

adjective

1. reticent, secretive, or taciturn

2. with the lips pressed tightly together, as through anger

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Etymology

Origin of tight-lipped

First recorded in 1875–80

Example Sentences

The pop-star hopefuls are staying tight-lipped, but Evan says they hope to give their fans "something to smile about".

From BBC

But Eberhard, though loving, had always been tight-lipped when it came to his childhood.

From The Wall Street Journal

The board itself has been tight-lipped.

From The Wall Street Journal

While she’s tight-lipped about how next year’s set will update her raucous stadium tour, she did promise “a lot of different worlds for this show. I want to show all the evolution that I’ve had in my whole career, a really huge, innovative show.”

From Los Angeles Times

South Africa's government has remained tight-lipped on the situation since its statement earlier this month.

From BBC