Used to express farewell.
Sayonara is defined as goodbye in Japanese.
When you are leaving a party and you want to shout goodbye to everyone, this is an example of a time when you would say "sayonara!"
Origin of sayonara
- Japanese sayonara, sayōnara alteration of sayō naraba if be thus (said to indicate that the time for departure has come) sayō thus (sa that) (yō appearance) (from Middle Chinese jiang`) (also the source of Mandarin yang`) naraba if it be
From American Heritage Dictionary of the English Language, 5th Edition
- From Japanese ã•ã‚ˆã†ãªã‚‰ (sayÅnara, “goodbye")