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outgoing
vs
going out

Outgoing is an adjective that describes someone as friendly and sociable.

For example:-

He socialises a lot, he is a very outgoing person.

Outgoing can also be used as an adjective to describe leaving a place, or leaving a job, having finished a period of time in it.

For example:

The outgoing president has left the country virtually bankrupt. (It doesn't mean the president was sociable, just that he is leaving.)

Going out (from to go out) is a phrasal verb that means to leave a room or building, especially in order to do something for entertainment purposes.

For example:

We're going out tonight. Do you want to come with us?

For Yvonne

See also outgoings.