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uncle (EN)
noun, interjection

noun “uncle”

singular uncle, plural uncles
  1. the brother of your mother or father or the man who is married to your aunt
    My uncle took me fishing last weekend.
  2. a close male friend of one's parents
    Uncle Joe, dad's best friend from college, always brings us treats when he visits.
  3. an older man who gives you advice, encouragement, or help
    Whenever I had a problem, Mr. Thompson was like an uncle to me, always ready with advice.

interjection “uncle”

uncle
  1. a way to admit defeat or surrender, similar to saying "I give up!"
    After struggling to escape the headlock, Jake finally shouted, "Uncle!"