The term 'bubbleheaded' refers to a person who lacks intelligence or critical thinking skills. Antonyms for bubbleheaded include descriptors such as wise, intelligent, astute, and sagacious. These are terms that imply a person who is able to think logically, make informed decisions, and solve complex problems. They are not easily misled by deceptive tactics or swayed by emotional appeals. Some additional antonyms include discerning, perceptive, and shrewd. These words all indicate that the individual is highly aware of their surroundings and has a keen ability to interpret and understand the world around them. By using antonyms for bubbleheaded, we can better describe individuals who possess qualities we admire and respect.