American English

Definition of dollar noun from the Oxford Advanced American Dictionary



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  1. 1[countable] (symbol $) the unit of money in the U.S., Canada, Australia and several other countries You will be paid in American dollars. compare buck see also dollar sign, top dollar
  2. 2[countable] a banknote or coin worth one dollar Do you have a dollar? a dollar bill see also silver dollar
  3. 3the dollar [singular] (finance) the value of the U.S. dollar compared with the value of the money of other countries The dollar closed two cents down.
  4. Idioms
    (see) dollar signs (informal)
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    to think about how you can make a lot of money from a situation or person She looked at the wealthy widower and saw only dollar signs. Many inventors with dollar signs in their eyes are eager to come up with the latest gadget.
    look/feel like a million dollars/bucks (informal)
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    to look/feel extremely good Wow, you look like a million dollars.
    you can bet your life/your bottom dollar (on something/(that)…) (informal)
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    used to say that you are certain that something will happen You can bet your bottom dollar that he'll be late.
See the Oxford Advanced Learner's Dictionary entry: dollar