Antonyms for "good breedings" could include words such as "uncivilized," "barbaric," or "rude." These terms suggest a lack of etiquette or training in social behavior. Other antonyms might include adjectives like "ill-mannered," "boorish," or "vulgar," which describe a tendency to behave in an impolite or offensive way. Conversely, positive antonyms for "good breedings" might include terms like "refined," "cultured," or "sophisticated," which describe a person or society that values knowledge, art, and etiquette. Other positive antonyms might include words like "diplomatic," "gracious," or "courteous," which suggest a person who is skilled in interpersonal relationships and social dynamics.