nighty-night

[ nahy-tee-nahyt ]

interjection

, Informal.

1. good night.

Word History and Origins

Origin of nighty-night¹

1875–80; reduplication of ( good ) night; -y ²

Example Sentences

When you tuck your children in, the feds are there for the nighty-night, too.

From Seattle Times

“Nighty-night, Daddy-poo, and one last thing.”

From Literature

The full tweet read: “Supposed to be airborne in 10 minutes. Nighty-night, baby. I love you.”

From Washington Times

The full tweet read: “Supposed to be airborne in 10 minutes. Nighty-night, baby. I love you.”

From Washington Times

The full tweet read: “Supposed to be airborne in 10 minutes. Nighty-night, baby. I love you.”

From Seattle Times