American English

Definition of ridiculous adjective from the Oxford Advanced American Dictionary

      

    ridiculous

     adjective
    adjective
    NAmE//rɪˈdɪkyələs//
     
     
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  1. 1  very silly or unreasonable synonym absurd, ludicrous
  2. 2 I look ridiculous in this hat. Don't be ridiculous! You can't pay $75 for a T-shirt! It was ridiculous that this would be so hard to say. They ate and drank a ridiculous amount.
ridiculously
 
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adverb The meal was ridiculously expensive. She was wearing a pair of ridiculously high-heeled shoes.
ridiculousness
 
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1
 
noun [uncountable] The ridiculousness of the situation made us laugh.
Idioms
from the sublime to the ridiculous
 
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2used to describe a situation in which something serious, important, or of high quality is followed by something silly, unimportant, or of poor quality
See the Oxford Advanced Learner's Dictionary entry: ridiculous