Paramount means most important or supreme. When something is paramount, it matters more than anything else in that moment or situation.

Your safety is paramount when crossing a busy street: looking both ways matters more than getting across quickly. A ship captain's paramount responsibility is keeping passengers safe, even above staying on schedule. In a courtroom, finding the truth is paramount: it takes priority over convenience or speed.

The word suggests supremacy: paramount concerns outrank all others. A student might have many goals, but if getting into a good college is paramount, that goal shapes every other decision about studying, activities, and time management.

You'll often hear phrases like “of paramount importance” or “paramount to success,” emphasizing that something absolutely cannot be ignored or treated as secondary. When a coach says teamwork is paramount, she means it's the single most critical factor for winning.