night-night

[ interjection nahyt-nahyt, -nahyt; adverb nahyt-nahyt ]

interjection

1. Informal. good night.

night-night

sentence substitute

1. See good night
   an informal word for good night

Word History and Origins

Origin of night-night¹

First recorded in 1895–1900

Idioms and Phrases

Idioms

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

Example Sentences

Make the night night, and the day day, and 40 you will have a pleasant time of it.

From Project Gutenberg

"Just a little peep at dainty Miss Mission, to say night-night," he smiled, unfastening the catch on the chronometer case.

From Project Gutenberg

Lie on this, show sup the boon that nick the basting thread thinly and night night gown and pit wet kit.

From Project Gutenberg

Night-night, echoed Ted, as he wiggled his fingers in a funny fashion at Trouble.

From Project Gutenberg

And ''night-night' and 'daddy' were two-year-old language to Jim.

From Project Gutenberg