be up to somebody

be up to (one)

1. To be something that one is responsible for or obligated to do. But it's not up to you to discipline my children! We live in this community, so it's up to us to improve it. If that old tree is on your neighbor's property, it's up to him to deal with it.
2. To be one's choice or decision. It's up to you—what would you rather do this weekend? Well, if it's up to me, I say we should have pizza for dinner. Why are you planning out Scott's birthday for him? Shouldn't those decisions be up to him?
See also: to, up
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

be up to somebody


1 be somebody’s right to decide: Shall we have an Indian or a Chinese meal? It’s up to you. ♢ The decision’s not up to me.
2 be somebody’s responsibility or duty: It’s up to us to help people in need.
See also: somebody, to, up
Farlex Partner Idioms Dictionary © Farlex 2017
See also:
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