The phrase "most sucker" can be taken to mean someone who is easily deceived or gullible. The antonyms for this term would be words such as savvy, shrewd, astute, clever, and discerning. These words signify an individual who is able to make sound judgments and can see through deception. Other antonyms for "most sucker" can include skeptical, cautious, cynical, and suspicious, as these all suggest a degree of restraint and carefulness when it comes to believing or trusting something or someone. It is essential to have a balance of trust and skepticism while navigating the world, and having these traits will aid in making smart decisions.