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The definition of defend

5 Definitions of: defend

    1. verb, to protect (a person, place, etc) from harm or danger; ward off an attack on
    2. verb, to support in the face of criticism, esp by argument or evidence
    3. verb, to represent (a defendant) in court in a civil or criminal action
    4. verb, sport to guard or protect (oneself, one's goal, etc) against attack
    5. verb, to protect (a championship or title) against a challenge
    6. Show me some examples of this word: defend
    7. Show me the etymology of the word: defend

From Collins