It means “sincerity”, good standing. If you use this Latin expression, use it with a singular verb, as in “his bona fides was questioned”. “Bona fide”, which looks like the singular form, is an adjective not a noun, as in “a bona fide query”.
It means “sincerity”, good standing. If you use this Latin expression, use it with a singular verb, as in “his bona fides was questioned”. “Bona fide”, which looks like the singular form, is an adjective not a noun, as in “a bona fide query”.