bona fide

Something bona fide is the real deal, the real McCoy, genuine — it's not a fake or a counterfeit.

We talk about things being bona fide when we're interested in how real or genuine they are. A counterfeit hundred dollar bill is not bona fide. When you earn your college diploma you're a bona fide college graduate. If you spend your whole life studying music, you're a bona fide musician. The opposite of bona fide is fake. We also say people make a bona fide effort: they're making a true, sincere attempt to do something.

Definitions of bona fide
  1. adjective
    not counterfeit or copied
    “a bona fide manuscript”
    synonyms: authentic, unquestionable, veritable
    echt, genuine
    not fake or counterfeit
  2. adjective
    undertaken in good faith
    “a bona fide offer”
    open and genuine; not deceitful
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