Activity vs Task

When to use each in English, with meaning, register, and examples.

Activity

Top 1,000 (very common)A1noun

Task

Top 1,000 (very common)A2noun
 ActivityTask
Pronunciation🇬🇧 /["/ækˈtɪvəti/"]/🇺🇸 /["/ækˈtɪvəti/"]/🇬🇧 /["/tɑːsk/"]/🇺🇸 /["/tæsk/"]/
MeaningSomething you do, like a sport or a game.A piece of work that needs to be done.
ExampleMy favorite activity is painting.Completing this math task is important for your exam.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA1A2
Part of speechnounnoun
Collocationsfrantic, frenetic, heightened, burst, flurry, level, conduct, do, perform, a hive of activity, a sign of activity, frantic, frenetic, heightened, burst, flurry, level, conduct, do, perform, a hive of activity, a sign of activityawesome, challenging, daunting, handle, take on, take upon yourself, involve something, require something, fall to somebody, task for, task in, be no easy task, the task ahead, the task at hand, awesome, challenging, daunting, handle, take on, take upon yourself, involve something, require something, fall to somebody, task for, task in, be no easy task, the task ahead, the task at hand
Antonymsinactivity, idlenessleisure, idleness, rest
Common mistakesUsing 'activity' as a verb (it is a noun)., Saying 'activities of daily living' instead of the correct phrase., Confusing 'activity' with 'action' in some contexts.Confused with 'chore' — tasks are often more formal or job-related., Using 'task' as a verb — 'task' is a noun., Saying 'a task for doing' instead of 'a task to do'.
Usage notesUse 'activity' in contexts discussing hobbies, events, or tasks. Avoid it in very formal documents where precise terms are preferred.Commonly used in both spoken and written English. Suitable for formal and informal contexts, but avoid using in very casual scenarios like chats among friends.

Frequently asked questions: Activity vs Task

What's the difference between Activity and Task?

Activity: Something you do, like a sport or a game. Task: A piece of work that needs to be done.

Are Activity and Task the same CEFR level?

Activity: A1, Task: A2 on the CEFR scale.

Can I use Activity and Task interchangeably?

Not always. Activity and Task are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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