Definitions
There is 1 meaning of the phrase
So Long.
So Long - as a noun
A farewell remark
Example: "They said their good-byes"
Synonyms (Exact Relations)
adieu6adios6arrivederci17au revoirauf wiedersehenbye8bye-byecheerio12good-bygood-byegood daygoodby13goodbye14sayonara11Example Sentences
"I have been waiting for so long."
"I hadn't seen her in so long that I didn't recognize her."
"I can't wait for summer vacation; it feels like it's been so long since we had a break."
"He has been working on that project for so long without any progress."
"I've been trying to solve this puzzle for so long, but I can't figure it out."