nighty-nighty
/ˌnʌɪtɪˈnʌɪtɪ/(also nightie-nightie) informal
exclamation
= night-night.
Origin
Late 19th century. Alteration of night-night, with addition of -y to both elements.
- with prejudice
- with-profits
- withstand
- withstander
- with that
- with the best of them
- with the best will in the world
- with the exception of
- with the pedal to the metal
- with the sun
- (with) tongue in cheek
- withy
- with young
- witless
- witlessly
- witlessness
- witling
- witloof
- witness
- witness box
- witness mark
- witness stand
- witted
- witten
- Wittenberg