1. (superl.) Having largeness of size; of much bulk or magnitude; of great size; large.
2. (superl.) Great with young; pregnant; swelling; ready to give birth or produce; -- often figuratively.
3. (superl.) Having greatness, fullness, importance, inflation, distention, etc., whether in a good or a bad sense; as, a big heart; a big voice; big looks; to look big. As applied to looks, it indicates haughtiness or pride.