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 sayonaraJpn, literally , if it is to be that way from say?, that way + nara, if
Used to express farewell.
Origin of sayonaraJapanese 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