go out together
US /ɡoʊ aʊt təˈɡeð.ər/
UK /ɡoʊ aʊt təˈɡeð.ər/

1.
to have a romantic relationship with someone
:
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They've been going out together for six months now.
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Are you two going out together?
2.
to leave a place with someone else, usually for a social activity
:
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We decided to go out together for dinner tonight.
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Do you want to go out together to the movies?