Impeccable prudery refers to someone who is extremely careful, modest, and abstinent in their attitudes and behavior. Some synonyms for this term include fastidiousness, purity, chasteness, priggishness, and rigidity. These terms describe an extreme level of moral rectitude, often associated with religious piety or cultural norms. Those who exhibit impeccable prudery may be seen as excessively rigid or uncompromising. However, for many, this quality is highly desirable, and indicative of a moral compass that is firmly grounded in established values. Whatever your opinion, there is no denying the power and importance of impeccable prudery in our society today.