1

bye-bye

interjection \ ˈbī-ˌbī , bī-ˈbī \
variants: or by-by

Definition of bye-bye

used to express farewell

Origin and Etymology of bye-bye

baby-talk reduplication of goodbye


2

bye-bye

adverb \ ˈbī-ˌbī \
variants: or by-by

Definition of bye-bye

: out especially for a walk or ride used with the verb go

First Known Use of bye-bye

1917


3

bye-bye

noun \ ˈbī-ˌbī \
variants: or by-by

Definition of bye-bye

: bed, sleep
  • lie down … and go to bye-bye
  • —Rudyard Kipling

First Known Use of bye-bye

1867


4

bye-bye

adverb \ ˈbī-ˌbī \
variants: or by-by

Definition of bye-bye

: to bed or sleep used with the verb go

First Known Use of bye-bye

1909



Learn More about bye-bye


Seen and Heard

What made you want to look up bye-bye? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to fix or define the limits of

Get Word of the Day daily email!

Test Your Vocabulary

Namesakes Word Quiz

  • a-citrus-fruit-possibly-named-after-a-person
  • Which of the following is a fruit named after a Moroccan seaport?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!