so long

interjection
\ sō-ˈlȯŋ How to pronounce so long (audio) , sə-\

Definition of so long

used to express farewell

First Known Use of so long

1854, in the meaning defined above

History and Etymology for so long

origin unknown

Keep scrolling for more

Learn More about so long

Dictionary Entries near so long

Solon

solonchak

solonetz

so long

so long as

solonian

solo organ

Statistics for so long

Look-up Popularity

Time Traveler for so long

The first known use of so long was in 1854

See more words from the same year

More from Merriam-Webster on so long

Rhyming Dictionary: Words that rhyme with so long

Comments on so long

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

WORD OF THE DAY

to reflect, repel, echo, or resound

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

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!