/ rɪˈdɪkjələs; NAmE / adjective
very silly or unreasonable
SYN absurd , ludicrous :
I look ridiculous in this hat.
Don't be ridiculous! You can't pay £50 for a T-shirt!
► ri·dicu·lous·ly adverb :
The meal was ridiculously expensive.
► ri·dicu·lous·ness noun [ U ]
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IDIOMS
see sublime noun
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WORD ORIGIN
mid 16th cent.: from Latin ridiculosus , from ridiculus laughable, from ridere to laugh.