phrase
nighty
phrase
1
An informal shortening of "nighty night," used as a casual way of saying good night.
"Nighty, see you in the morning!"
noun
1
An informal spelling variant of "nightie" (a nightdress).
"She was still in her nighty at noon."
How to Use Nighty
Learner’s notesIn plain EnglishA cutesy, informal way to say good night, or an alternate spelling of "nightie."
When to use it
Very informal, often used with children.
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “nighty”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
_____, see you in the morning!
Etymology
From night + -y, a playful diminutive suffix used in casual speech.