busy Definition in the Cambridge English Dictionary
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Definition of “busy” - English Dictionary

Definition of "busy" - American English Dictionary

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busyadjective [-er/-est only]

 us   /ˈbɪz·i/
(of a ​person) ​activelyinvolved in doing something or having a lot of things to do, or (of a ​time or ​place) when or where a lot of things are ​happening: a busy ​street the busy ​summermonths I’ve been so busy ​lately that I haven’t had ​time to have any ​sociallife. Getting the ​houseready for her ​relativeskept her busy the ​wholeday. If a ​telephone is busy, it is being used by someone ​else: Her ​line is still busy.

busyverb [T]

 /ˈbɪz·i/
to make the ​timepass by doing something: Aimee busied herself with a ​favoritebook.
(Definition of busy from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "busy" - British English Dictionary

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busyadjective

uk   us   /ˈbɪz.i/

busy adjective (DOING THINGS)

A2 If you are busy, you are ​working hard, or giving ​yourattention to a ​particular thing: Mum was busy in the ​kitchen. The ​kids are busy withtheirhomework. She's busy ​writing out the ​weddinginvitations. I've got plenty of ​jobs to keep you busy. He was too busy ​talking tonotice us come in.A1 A busy ​place is ​full of ​activity or ​people: a busy ​restaurant Their ​house is near a very busy ​road.A2 In a busy ​period, you have a lot of things to do: I have a busy ​weekahead of me. You've had a busy ​day. (UK also engaged) If a ​phoneline is busy, someone is using it: I ​triedcalling you but the ​line was busy.
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busy adjective (WITH PATTERNS)

disapproving having too much ​decoration or too many ​colours: The ​jacket was a ​bit too busy for my ​tastes - I'd ​prefer something ​plainer.

busyverb

uk   us   /ˈbɪz.i/
busy yourself to make the ​timepass by doing something: I busied myself with ​tidying up my ​desk.
(Definition of busy from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "busy" - Business English Dictionary

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busyadjective

uk   us   /ˈbɪzi/
working hard, or giving your ​attention to a particular thing: too busy to do sth I have been far too busy to ​think about taking ​time off.busy with sth/sb All our ​agents are ​currently busy with other ​customers.busy doing sth While we were busy ​planning our ​expansion, he was ​planning to take over the ​company.a busy man/woman/person I won't take up much of your ​time, because I know you're a busy woman.
full of ​activity or ​people: a busy ​office/​restaurant/street The ​shop is always busy on Saturdays.
in a busy ​period, you have a lot of things to do: a busy week/day/morning It’s been a busy week.
( UK also engaged) COMMUNICATIONS if a ​telephoneline is busy, someone is using it: I ​triedcalling the ​office, but the ​line was busy.
(Definition of busy from the Cambridge Business English Dictionary © Cambridge University Press)
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“busy” in Business English

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