Hokums, a slang term used for exaggerated or insincere talk, has a few antonyms that can be used to describe the opposite concept. One such antonym of hokums is sincerity, which refers to a genuine expression of thought or emotion. Another antonym is authenticity, which pertains to something that is true to its origin or source. Another opposite of hokums can be straightforwardness, which is the quality of being honest and direct in communication. Lastly, instead of hokums, you can use the term credibility, which refers to the quality of being trusted or believed in based on past actions or reputations. By using these antonyms, we can describe the opposite of hokum's insincerity, inauthenticity, deviousness, and lack of credibility.