Sentence examples for a honest from inspiring English sources

"a honest" is not a correct part of a sentence in written English.
The correct phrase would be "an honest" when using the indefinite article "a" before "honest", as in "an honest person" or "an honest mistake". Exceptionally, some people may use "a honest" in their spoken language, especially in casual conversations, but it is considered grammatically incorrect and would not be acceptable in formal or written English. Example: "I can vouch for his character, he's a honest man."