farewell; goodbye
for the time being; meanwhile
WordReference Random House Unabridged Dictionary of American English © 2025
so′ long′, [Informal.]
- Informal Termsgood-bye:I said so long and left.
- 1840–50, American.
Collins Concise English Dictionary © HarperCollins Publishers::
'so long' also found in these entries (note: many are not synonyms or translations):
Guthrie
- accumulator
- ciao
- crazy
- custom
- everlasting
- gobble
- hasta la vista
- hasta luego
- inertia
- long
- overexposure
- prolix
- search
- second nature
- toodle-oo
- why'll
- à bientôt