busy, industrious, diligent, assiduous, sedulous mean actively engaged or occupied. busy chiefly stresses activity as opposed to idleness or leisure.

BUSY definition: actively and attentively engaged in work or a pastime. See examples of busy used in a sentence.

BUSY definition: 1. If you are busy, you are working hard, or giving your attention to a particular thing: 2. If…. Learn more.

1. actively and attentively engaged, esp. in work. 2. not at leisure; otherwise engaged: He's busy and can't see you. 3. full of activity: a busy life. 4. (of a telephone line) in use. 5. meddlesome; prying.

When you are busy, you are working hard or concentrating on a task, so that you are not free to do anything else. What is it? I'm busy. They are busy preparing for a hectic day's activity on Saturday.

BUSY meaning: 1 : actively doing something often + with; 2 : full of activity or work

If you're too busy playing basketball to finish your homework, your grades might suffer. It's good to be busy, but when people are too busy, they get stressed out.

BUSY meaning: 1. If you are busy, you are working hard, or giving your attention to a particular thing: 2. If…. Learn more.

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Jan 20, 2026 · busy (third-person singular simple present busies, present participle busying, simple past and past participle busied) (transitive, usually reflexive) To make somebody busy or active; to occupy.