Hark/hɑːrk/ Definition 1 of 2Pro Tip 1/3Literary Flair Used in literature or drama to create an old-fashioned or formal effect. Hark, what light through yonder window breaks? Pro Tip 2/3Archaic Usage Rare in everyday conversation; understood but may sound outdated. 'Hark at the wind,' whispered the old sailor solemnly. Pro Tip 3/3Attention Grabber Often signals something important is about to be said or heard. Hark! The herald angels sing.