There are no antonyms for the word "qualifiednesses" as it is not a word recognized by the English language. However, the term "qualifications" relates to the skills, experience, and education required for a job or specific purpose. Antonyms for qualifications could include disqualifications, inadequacy, or inexperience. These terms represent the opposite of the necessary qualities and skills required for a particular position. While the term qualifiednesses may not have antonyms, it is essential to understand the importance of relevant qualifications when applying for a new job or endeavor.