"Norma posterior" refers to a standard or guideline that follows after an event or circumstance. When it comes to antonyms for this term, we can consider words like "preliminary," "proactive," "anticipatory," or "prophylactic." These words suggest a focus on planning, prevention, and early action to avoid potential problems or challenges. Antonyms for "norma posterior" might also include words like "lax," "careless," "negligent," or "reckless," which refer to a lack of attention, planning, or concern for potential consequences. By considering antonyms for "norma posterior," we can better understand the importance of preparation and foresight in achieving success and avoiding pitfalls.