Nitwittednesses, by definition, refers to a lack of intelligence or foolishness. The antonyms for this word include astuteness, intelligence, shrewdness, skillfulness, and wisdom. These words describe individuals who possess a great deal of mental acuity, logical thinking, and the ability to make sound judgments. They are clever and perceptive, and possess the ability to think critically and make informed decisions. Unlike nitwitted individuals who may be prone to making foolish decisions, individuals who possess the antonyms of nitwittednesses have the skills and knowledge necessary to navigate complex issues and challenges. These antonyms highlight the importance of intelligence and critical thinking for success in both personal and professional endeavors.