Meaning & use
bona fides
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Meanings
nounusually pluralformal
Proof of who someone is or of their qualifications, showing they can be trusted to do what they claim.
Grammar: Takes a plural verb in most writing: her bona fides are solid. A singular verb is also seen.
Patterns
- establish your bona fides
- someone's bona fides as something
Before the interview, the reporter checked the guest's bona fides.
She has the bona fides to lead this project after ten years in the field.
He needed to prove his bona fides as an environmentalist before the group would listen to him.
noununcountablelegalformal
Honest intention or sincere good faith in dealing with others.
Grammar: A rare, more legal use; the phrase is then treated as singular: his bona fides was never doubted.
Patterns
- act in bona fides
The court accepted the buyer's bona fides and let the sale stand.
Nobody questioned the bona fides of the charity's founders.
The company's bona fides in the negotiation were clear to both sides.
Common combinations
- establish your bona fides
- The new coach worked hard to establish her bona fides with the team.
- check someone's bona fides
- The bank will check your bona fides before approving the transfer.
- impeccable bona fides
- The candidate arrived with impeccable bona fides in education reform.
- question someone's bona fides
- Critics began to question the author's bona fides on the subject.
- academic bona fides
- His academic bona fides were enough to get him invited to the panel.
Synonyms and how they differ
- credentials
- Credentials are usually documents or records, while bona fides can also mean the overall impression of genuineness.
- qualifications
- Qualifications focus on skills and training, whereas bona fides also involve honesty and being who you say you are.
- authenticity
- Authenticity describes something being genuine, but bona fides describes the proof offered by a person or group.
- track record
- A track record is evidence from past performance, while bona fides can be claimed from status or sincerity as well.
Opposites
Word family
Commonly confused: bona fides or bona fide?
bona fides vs bona fide
Bona fide is the adjective meaning genuine (a bona fide offer), while bona fides is the noun for proof of genuineness. Do not use bona fides before a noun.
Practice
Before the council agreed to fund the project, they asked the group to show their ___.
Choose one answer.
The noun bona fides means credentials that prove genuineness. Bona fide is an adjective and cannot follow their, and the other phrases mean something different.
Make it your own
Write a sentence using “bona fides”, then check it and compare it with the examples above.