Bumsteer is a slang term that refers to bad advice, bad information, or a bad direction. Its antonyms would include wise advice, accurate information, and clear direction. Other antonyms of bumsteer would include competent guidance, credible intelligence, and valuable instructions. The word bumsteer is often used to describe a situation where someone or something leads you astray, in the wrong direction, or towards a bad outcome. Antonyms of bumsteer, therefore, would describe situations where someone or something helps guide you towards a positive outcome, or provides you with helpful and accurate information, advice, or support.