DEF


Meaning of DEF in English

/ def; NAmE / adjective

( slang ) excellent :

a def band

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WORD ORIGIN

1980s: probably an alteration of death (used in Jamaican English as an intensifier), or shortened from definitive or definite .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.