There are no direct antonyms for the word "giftednesses," as it is a plural noun referring to the state or quality of being gifted in a particular area or skill. However, some antonyms for the word "gifted" (the adjective form of giftednesses) include untalented, unskilled, incompetent, and ungifted. These words imply a lack of natural aptitude or ability in a certain area or skill. Conversely, synonyms for gifted include talented, skilled, accomplished, and giftednesses denotes the possession of exceptional abilities, talents or skills, often in areas such as music, athletics, academics or the arts, among others.