The phrase "most on the level" means to be highly honest, truthful, or sincere. Antonyms for this phrase include terms like deceitful, dishonest, insincere, or disingenuous. If someone is not on the level, they may be lying, conniving, or covering up the truth. They may use manipulative tactics to get what they want, or they may not have good intentions at heart. Conversely, if someone is known for being "most on the level," they are highly respected for their integrity, honesty, and transparency. In today's world, it's more essential than ever before to be truthful and sincere. For this reason, "most on the level" should be a standard for everyone.