The word "more anencephalous" describes something or someone that is increasingly brainless or lacking intelligence. Antonyms for this phrase include words such as intelligent, bright, smart, knowledgeable, and insightful. These words allude to the opposite of being brainless, highlighting the presence of a sharp mind, wisdom, and an ability to comprehend and interpret information. Other antonyms for "more anencephalous" could include resourceful, talented, astute, competent, and sharp-witted. These words help to paint a picture of someone or something that possesses a high level of intelligence, which is the opposite of what "more anencephalous" implies.