The word "more on-the-level" suggests honesty, straightforwardness, and transparency. Its antonyms include insincere, deceitful, and untruthful. Insincere implies a lack of honesty, genuine feelings, or intentions. Deceitful suggests a deliberate attempt to mislead or trick. Untruthful implies dishonesty, falsehood, or deceitfulness. Other antonyms for "more on-the-level" include tricky, sly, manipulative, and disingenuous. These words indicate that someone is attempting to dodge the truth or manipulate the situation for their own benefit. When dealing with others, it is important to be mindful of these antonyms and strive to act with honesty and integrity to maintain positive relationships.