Perchance/pərˈtʃæns/ Definition 1 of 1Pro Tip 1/3Literary Flavor Used more in writing, adds a classic or poetic tone. Perchance, upon the morrow, I shall behold the visage of my friend. Pro Tip 2/3Rare in Speech Not commonly used in everyday conversation, could sound old-fashioned. I asked him perchance he knew the time, and he looked puzzled. Pro Tip 3/3Uncertain Possibility Expresses a sense of uncertainty or chance without full commitment. Perchance you've seen my lost puppy in your travels?