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3. so long

so long

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so long

Good-bye. So long, see ya later. It's been good talking to you. So long.

See also: long

so long

1. a very long time I haven't seen him in so long.

2. goodbye So long, see you tomorrow. If he didn't want to see her anymore, would he be able to tell her so long?

Usage notes: usually used in a friendly way

See also: long

So long.

  (American informal)

a friendly way of saying goodbye to someone So long - see you tomorrow.

See also: long

so long

Good-bye, as in So long, we'll see you next week. The allusion here is puzzling; long presumably means "a long time" and perhaps the sense is "until we meet again after a long time," but the usage has no such implication. [Colloquial; first half of 1800s]

See also: long

So long

interj. Good-bye. It’s been good talking to you. So long.

See also: long