This shows grade level based on the word's complexity.
so long
Save This Word!
This shows grade level based on the word's complexity.
interjection Informal.
goodbye: I said so long and left.
QUIZ
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
Question 1 of 7
In the UK, COTTON CANDY is more commonly known as…
Origin of so long
An Americanism dating back to 1840–50
Words nearby so long
Solomon's seal, solo mother, Solon, solonchak, solonetz, so long, so long as, solo parent, solo stop, Solothurn, solo whist
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use so long in a sentence
British Dictionary definitions for so long
so long
sentence substitute
informal farewell; goodbye
adverb
Southern African slang for the time being; meanwhile
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with so long
so long
Good-bye, as in So long, we'll see you next week. The allusion here is puzzling; long presumably means “a long time” and perhaps the sense is “until we meet again after a long time,” but the usage has no such implication. [Colloquial; first half of 1800s]
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.