Up to something

Definition 1 of 4
Visual representation of "up to something"
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Sneaky Implication

Suggests someone might be hiding their true intentions or plans.

Illustration for Sneaky Implication
When he tiptoed out, I knew he was up to something.
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Negative Slang

Used in casual language, hints the activity might be mischievous or wrong.

Illustration for Negative Slang
Look at those kids whispering; they must be up to something.
Visual representation of the word "Up to something"

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