From Longman Dictionary of Contemporary Englishbeliebe‧lie /bɪˈlaɪ/ verb (belied, belying, belies) [transitive] 1 HIDE/NOT SHOWto give someone a false idea about something Her pleasant manner belied her true character.2 UNTRUEto show that something cannot be true or real His cheerful smile belied his words.→ See Verb table
Examples from the Corpus
belie• Again, as with the McCone Commission, surfaces belied depths.• With a quickness that belied her age, she ran across the road.• The Chamber Symphony No. 2, begun in 1906 and completed in 1939, belies its fearsome reputation.• Two large tears belied Rosalie's brave words.• The bright October day belied the cold wind.• The score belies the ferocious chessboard duel that we have witnessed over the past month and a half.• He wore shorts and a T-shirt that revealed well-muscled legs and arms and a strong neck that belied the grizzled hair.• The subjects, even those in synthetically casual poses, have a rigid alertness that belies their awareness of the camera.• Their pasty faces - the result of long periods underground - belie their extraordinary strength and tenacity. 