Meaning & use

bona fides

noun·Advanced

Evidence or credentials that prove someone's genuineness, honesty, or good faith.

See it in a sentence

The journalist checked the source's bona fides before publishing the story.

Her years of fieldwork gave her strong bona fides as a wildlife researcher.

A note on using this word

Borrowed from Latin meaning 'good faith,' 'bona fides' is treated as a singular noun in English despite its plural appearance.

Words with a similar meaning

credentialsauthenticity

Choose a synonym to suit the sentence. Meanings can overlap without being identical.

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