The word "unintentiveness" refers to the quality of not having a clear intention or purpose. Synonyms for this word include ambivalence, aimlessness, lack of direction, indifference, passivity, and apathy. Ambivalence refers to having mixed feelings or conflicting emotions about something, while aimlessness implies a lack of purpose or direction. Lack of direction suggests a general sense of aimlessness or indecision, while indifference refers to a lack of interest or concern. Passivity implies a lack of initiative or motivation, while apathy suggests a lack of emotional involvement or enthusiasm. All of these words can be used interchangeably with "unintentiveness" depending on the context in which it is used.