night-night

Related to night-night: nite, Goodnight

night-night

 (nīt′nīt′) also night·y-night (nī′tē-)Informal
interj.
Used to say good night to someone, especially to a child, who is going to bed.

[Reduplication of night.]

night-night

sentence substitute
an informal word for goodnight
Translations

night-night

[ˈnaɪtˌnaɪt] EXCL (= goodnight) → buenas noches
References in periodicals archive ?
Then, I heard Thurman making fun of the Senator, that when he went night-night, his mama cried and he has T-Rex-like arms.
She said: "Every night I Facetime Lizzie to say night-night. Carers hold her iPad so she can see me.
The team noted words that end in 'y' -- such as tummy, mummy and doggy -- or words that repeat sounds -- such as choo-choo and night-night -- could help infants identify words in speech.
Assessments of nine-month-old children found that those who often hear diminutive words ending in 'y' - such as tummy, mummy and doggy - or words that repeat sounds - such as choo-choo and night-night - have a bigger vocabulary by the time they are 21-months-old.
Children ages 1 to 4 can say good night to all their favorite landmarks and landscapes with"Night-Night Calgary" memorable bedtime story by the team of author Katherine Sully and illustrator Helen Poole.
Paired with a Bluetooth-powered mobile app, the light (available this summer, price TBA) learns and adapts to your unique circadian rhythm, daily activities and preferences to optimize sleep and wake cycles, delivering just the right wavelength of light to make you energized when you want to be or increase your brains melatonin output when it's time to go night-night.
CHARLTON Charlie Joseph Born Sleeping August 26, 2008 The brightest star in Heaven tonight is baby Charlie saying, 'night-night' Happy 5th birthday angel.
The shortlist for the Baby Book Award is comprised of: Chick by Ed Vere; The Big Night-Night Book by Georgie Birkett; Baby Loves: Tiger by Claire Dowe; Five Little Ducks by Francesca Stich and Jemima Lumley, illustrated by Jason Chapman; Baby's Very First Outdoors Book by Stella Baggott; and That's Not My Frog...
Up at 5 a.m., working out for an hour, attending to projects for the day, with night-night consistently at 8:30 p.m.--"especially," as he put it, when he's in production.
Another note from Callum's godson Tommy said: "Night-night, sleep tight."
About 30 million Americans now go night-night with drugs such as Ambien, Lunesta, and Sonata, according to a report by Reuters.