Active

Definition

Active is an adjective and noun. As an adjective, it describes something that is engaging in physical or energetic activities, or having an effect. As a noun, it is used in grammar to describe the form of a verb in which the subject performs the action.

Parts of Speech

• Adjective
• Noun

Pronunciation

American English

• IPA Pronunciation: /ˈæktɪv/
• Respelling: AK-tiv

British English

• IPA Pronunciation: /ˈæktɪv/
• Respelling: AK-tiv

The pronunciation of "active" is consistent across both American and British English.

Etymology

The word "active" originates from the Latin word "activus," which means "dynamic" or "energetic." This was derived from "actum," the past participle of "agere," meaning "to do" or "to act."

Derivatives

• Activity (noun)
• Activate (verb)
• Activator (noun)
• Actively (adverb)
• Inactivate (verb)

Synonyms

• Energetic
• Dynamic
• Engaged

Antonyms

• Inactive
• Passive
• Idle

Usage

The term "active" is widely used to describe a state of physical movement or engagement in activities. For example, "She has an active lifestyle," or in grammar, "The sentence is in the active voice."

Related Terms

• Dynamic: Characterized by constant change or energetic activity.
• Engaged: Involved or actively participating in something.
• Vigorous: Strong, healthy, and full of energy.

Detailed Definitions

Adjective

• Engaging or participating in physical or energetic activity: Describes someone who is regularly moving or involved in actions.
  • Example: "She leads an active lifestyle."
• Having a particular effect or operation: Used to describe something that is in operation or has an impact.
  • Example: "The chemical compound is active at room temperature."

Noun

• The form of a verb in which the subject performs the action: In grammar, refers to the verb voice where the subject is the doer of the action.
  • Example: "The sentence 'She writes a letter' is in the active voice."