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English definition of “ugly”

ugly

adjective (NOT ATTRACTIVE)    /ˈʌɡ.li/
B1 unpleasant to look at; not attractive: I find a lot of modern architecture very ugly. Yesterday I saw the ugliest baby I've ever seen in my life. I feel really fat and ugly today. He was a really unpleasant man and as ugly as sin (= very ugly).Not attractive to look atSerious and unpleasant ugliness     /-nəs/ noun [U] the ugliness of the buildingsNot attractive to look atSerious and unpleasantViolent or aggressiveUnkind, cruel and unfeelingTreating people or animals badly
(Definition of ugly adjective (NOT ATTRACTIVE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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