Unfooled is an adjective that means not deceived or not tricked. The antonyms of unfooled can be a variety of words depending on the context. In the case of someone being fooled or tricked, the antonyms can be words such as deceived, tricked, deluded, fooled, manipulated, or duped. These words depict the opposite of unfooled and indicate a state of being misled, deceived, or taken advantage of. In contrast, if we consider the state of being aware or informed, the antonyms of unfooled would be words such as ignorant, uninformed, misinformed, or oblivious, indicating a lack of knowledge or understanding.