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English definition of “ludicrous”

ludicrous

adjective     /ˈluː.dɪ.krəs/
stupid or unreasonable and deserving to be laughed at: a ludicrous idea / suggestion He looked ludicrous in that suit !Stupid and sillyOf unsound mindHumour and humorous ludicrously     /-li/ adverb It's a beautiful dress , but it's ludicrously (= unreasonably ) expensive .Stupid and sillyOf unsound mindHumour and humorous ludicrousness     /-nəs/ noun [U] Stupid and silly behaviour
(Definition of ludicrous adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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