The word "more vipery" suggests a negative connotation of deceit, cunningness, or treachery. To express the opposite meaning, one can use antonyms such as straightforward, trustworthy, honest, sincere, and candid. These words connote transparency, fairness, and reliability, indicating a person or situation that is aboveboard and operates in good faith. Using antonyms instead of "more vipery" changes the tone of the conversation from suspicion to trust, enhancing communication and building positive relationships with others. In essence, choosing appropriate words is crucial to conveying the intended message and developing a favorable perception of oneself or one's organization.