come up

come up 

1. Lit. to come from a lower place to a higher one. You can come up now. They are gone. Come up and enjoy the view from the tallest rooftop in the county.

2. Lit. to come near; to approach. He came up and began to talk to us. A heron came up while we were fishing, but it just ignored us.

3. Fig. to come to someone's attention. The question of what time to be there never came up. The matter came up, but it was never dealt with.

See also: come, up

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come up

1. to be mentioned or talked about The issue will come up in the meeting on Monday.

2. to happen unexpectedly I don't care how well you planned, something always comes up that you didn't think of. Related vocabulary: crop up

See also: come, up