English Reference

Word

busy

US/ˈbɪzi/

UK/bˈɪzi/

Definitions

01having much to do

A1 · Beginner

adj. having a lot of work or many things to do.

adj. actively engaged in an activity or preoccupied with tasks.

“I am sorry I cannot talk right now because I am very busy.”

“The department head is currently too busy preparing the annual budget to review any new project proposals this week.”

02crowded or active

A2 · Elementary

adj. full of people, traffic, or activity.

adj. characterised by a high volume of activity, movement, or people.

“The city centre is always busy on Saturday mornings.”

“The intersection became increasingly busy as commuters rushed to reach the station before the final express train departed.”

Antonyms

03too detailed

B2 · Upper Intermediate

adj. having too many shapes, colours, or details so that it is hard to look at.

adj. excessively detailed or cluttered, often to the point of being visually distracting.

“I think that wallpaper is too busy for such a small room.”

“The graphic designer suggested simplifying the layout, arguing that the current version was far too busy to effectively communicate the core message.”

Antonyms

04to keep occupied

B2 · Upper Intermediate

v. to keep yourself or someone else working on a task.

v. to make oneself or another person busy; frequently used reflexively with 'with'.

“She busied herself with the housework to avoid thinking about the news.”

“While waiting for the results, he busied himself by reorganising his entire digital filing system to pass the time.”

Synonyms

05police officer

C1 · Advanced Countable noun British English · Slang · Informal

n. a slang word for a police officer.

n. a slang term for a police officer, often carrying a negative or disrespectful tone.

“He ran away as soon as he saw the busies coming around the corner.”

“The local youths kept a sharp lookout for the busies while they gathered in the abandoned car park after dark.”

Teaching tip

This term is specific to British English and is generally considered derogatory; learners should avoid using it in polite company.

Synonyms

Usage

Typically used as a predicative adjective after a linking verb or as an attributive adjective before a noun.

Pitfall

I am busy to do my homework

I am busy doing my homework

When followed by another action, use the -ing form (gerund) instead of the infinitive with 'to'.

Etymology

From Middle English bisy, busie, from Old English bisiġ (“busy, occupied, diligent”), from Proto-West Germanic *bisīg (“diligent; zealous; busy”). Cognate with Saterland Frisian biesich (“active, diligent, hard-working, industrious”), Dutch bezig (“busy”), Low German besig (“busy”). The spelling with ⟨u⟩ represents the pronunciation of the West Midland and Southern dialects while the Modern English pronunciation with /ɪ/ is from the dialects of the East Midlands.

From Middle English bisien, from Old English bisgian (“to occupy, employ, trouble, afflict”), from Proto-West Germanic *bisīgōn. Cognate with Old Frisian bisgia (“to use”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADJECTIVE

busy(A1)

Idioms

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.A1 MoversIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.2.0–3.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 1.0–1.50–23TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.120–224
Frequency
Common
Level
A1 · BeginnerOxford
Updated

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English Reference