Antonyms for the term "clear headedness" would typically revolve around words that convey a lack of clarity or focus. Some examples of antonyms for this term could be cloudiness, confusion, fuzziness or haziness. These concepts all suggest that the mind is not functioning in a clear or organized manner, and may be prone to distraction or lack of direction. Other antonyms that could relate to the concept of "clear headedness" might include words like muddled, disorganized or indecisive, which again suggest a lack of clarity or focus that can hinder effective decision-making or performance.