be up to (something)

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Related to be up to: cozy up, make up for, give up on, fit into

be up to (something)

1. To be scheming (something) or engaging in mischievous behavior. I think those two are up to something—they've been acting squirrelly all morning.
2. To be able or willing to (do something). She's still recovering from her surgery and isn't really up to having visitors.
See also: up