buck - definition and synonyms

noun [countable] 

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  1. 1
    mainly American informal a dollar
  2. 2


    [plural] American informal money

    More and more bucks are being spent to achieve exactly the same ends.

    See also big bucks
  3. 3
    the male of some animals such as rabbits or deer
    See also doe
  4. 4
    informal old-fashioned a young man
     Synonyms and related words
Word story
Harry Truman, who was US president just after the Second World War, is reported to have had the expression ‘the buck stops here’ as a sign on his desk, suggesting that he would not try to ‘pass the buck’.