Belie/bɪˈlaɪ/ Definition 1 of 2Pro Tip 1/3Judgment Paradox Belie can indicate a contradiction between appearance and reality, often unexpectedly. His humble speech belied his ambition for power. Pro Tip 2/3False Indicators Use 'belie' to express that observable signs may lead to false interpretations. The tranquil surface of the water belies the danger lurking beneath. Pro Tip 3/3Emotional Disguise Belie is often used to describe emotions not reflected by one's behavior or appearance. His smile belied the anxiety he felt inside.