DEFEND definition and meaning | Collins English Dictionary

Definition of "Defend"

Defend refers to the act of protecting, supporting, or maintaining something or someone against harm, criticism, or attack. The term is often used in physical, legal, moral, and competitive contexts.

Main Meanings

  1. To protect a person, place, or idea from harm, danger, or attack.
    Example: The army was prepared to defend the city against invasion.

  2. To support someone or something, especially when they are criticized or questioned.
    Example: She defended her decision despite strong opposition.

  3. To act as a legal advocate in court, representing the accused.
    Example: The lawyer agreed to defend the client in the trial.

  4. In sports, to prevent an opponent from scoring or winning while maintaining a lead.
    Example: The team worked hard to defend their championship title.

  5. To uphold or justify a principle, action, or belief against challenge.
    Example: He defended his views on environmental responsibility during the debate.

“A person who defends something protects or supports it when it is under threat or attack.”

Common Usage

The word frequently appears in legal, moral, and strategic contexts such as defense of rights, homeland defense, defending freedom, or defending a thesis in academia.

Author's summary: "Defend" means to protect, support, or justify someone or something when it faces harm, criticism, or opposition across physical, moral, or legal settings.

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Collins Dictionary Collins Dictionary — 2025-11-25

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