so long

Questions about so long

What does so long mean?

so long means "a farewell remark".

What is another word for so long?

Close synonyms include adieu, adios, arrivederci, auf wiedersehen, au revoir. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is so long a common word?

so long is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.