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night-night

American  
[nahyt-nahyt, -nahyt, nahyt-nahyt] / ˈnaɪtˈnaɪt, -ˌnaɪt, ˈnaɪtˌnaɪt /

interjection

  1. Informal. good night.


idioms

  1. go night-night, to go to bed or to sleep.

night-night British  
  1. an informal word for good night

"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 night-night

First recorded in 1895–1900

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.

By day, the twins were racing go-karts, and when the sun set, it was night-night time in the family’s 25-foot Thor Delano RV.

From The Wall Street Journal

After draining his third as the shotclock expired, U.S. teammates mimicked Curry’s famous “night-night” celebration, holding their hands together as if they were sleeping on a pillow.

From Los Angeles Times

Nightbitch puts her foot down with her husband and tells him he’s doing bedtime every night he’s home, to make up for her track record of being the suffering “night-night” parent for two years straight.

From Slate

Also Tuesday, both Biden and his chief rival, Sen. Bernie Sanders, I-Vt., canceled their planned election night-night rallies in Ohio amid coronavirus fears.

From Fox News

“Night-night, Manny,’’ he said to Pacquiao this week at the end of one of the many media sessions.

From Los Angeles Times