Activated – Definition & Meaning

The word “activated” is a commonly used term in our daily lives. It is often used in various contexts, but what exactly does it mean? In this article, we will explore the definition and meaning of activated, its origin, synonyms, antonyms, and example sentences.


Activated is an adjective that describes something that has been made active or functional. It can also mean something that has been stimulated or energized to perform a particular function or action.


The word “activated” comes from the Latin word “activare,” which means “to make active.” The word was first used in the English language in the mid-17th century.

Meaning in different dictionaries

In the Oxford English Dictionary, activated is defined as “made active or functional.” The Merriam-Webster dictionary defines it as “to make active, effective, or functional.” The Cambridge dictionary defines it as “to make something start working or operating.”


Activated is often associated with things that need to be turned on or made active, such as electronic devices, machines, or chemical processes. It is also associated with things that need to be stimulated or energized, such as muscles or the immune system.


Some synonyms of activated include activated, energized, stimulated, activated, awakened, and invigorated.


Some antonyms of activated include deactivated, disabled, inhibited, suppressed, and dormant.

The same root words

Some words that share the same root as activated include activate, activation, active, and activity.

Example Sentences

  1. The activated carbon filter removed impurities from the water.
  2. The activated alarm system alerted the authorities to the break-in.
  3. The activated immune system fought off the infection.
  4. The activated muscles propelled the athlete to the finish line.
  5. The activated enzyme catalyzed the chemical reaction.

In conclusion, activated is a versatile word that is used in various contexts to describe things that have been made active or functional. It is associated with electronic devices, machines, chemical processes, muscles, and the immune system. Synonyms of activated include energized, stimulated, and invigorated, while antonyms include deactivated, disabled, and inhibited. The word shares the same root as activate, activation, active, and activity.

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