Across two studies, we tested the relationship between the stereotype dimensions of sociability, morality, and competence and the two dimensions of humanness (human nature and human uniqueness). Study 1 considered real groups and revealed that sociability had greater power than morality in predicting human nature. For some groups, sociability also trumped competence in predicting human nature. By contrast, the attribution of human uniqueness was predicted by competence and morality. In Study 2, participants read a scenario depicting an unfamiliar group in stereotypical terms. Results showed that competence and sociability were the strongest predictors of human uniqueness and human nature, respectively. Although with nuances, both studies revealed that sociability, morality, and competence relate differently to the two dimensions of humanness. (PsycInfo Database Record (c) 2021 APA, all rights reserved)