Slang & idioms
"nighty night", drawn literally
Literally

nighty night

(interjection)Casual

What it actually means

A sweet, sing-songy way of saying good night — most often used with children, partners, or close friends.

In a sentence

  • “Nighty night, sweetheart — sleep tight.”
  • “"Nighty night," she whispered as she turned off the light.”

Also known as

good nightsweet dreams

Where it’s used

everyday

Listen + practice

Hear it spoken naturally

Read the expression aloud — we’ll score your pronunciation and flag the sounds to work on.

Click to record

More idioms like this

nighty night — American slang definition + audio