How do you say activity in English?

activity.

Pronunciation: English [?k?t?v?ti]? American [?k?t?v?ti]? .

Definition: activity.

Activity basically means "activity, vigor", referring to the vigor inherent in the person or thing itself, in this case an uncountable noun.

Activity can also refer to the "busy [energetic] activities" or "work, pastime" that people engage in in order to achieve a certain goal, in which case activity is a countable noun, often used in the plural form.

Near synonyms: action

action means basically "action, activity", the manner or course of an action, especially one that stops a bad situation from developing or continuing, a behavioral act that is wrong or unusual for others, an exciting or unusual behavior, or a behavior that is not in keeping with the past. Behavior, exciting or important activities, often of long duration, including different steps or many actions, the subject of which is often an object rather than a person.

action can also mean "behavior" in progress, the "plot" of a story, play or movie, the "action; effect" of a drug or chemical, etc., "battle; combat, etc.".

Action, when used as a countable noun, is often used in the plural form, and the plural form of action often corresponds to words when referring to human "behavior" in general.