Turn into Definition 1 of 3Pro Tip 1/3Figurative Use Often used metaphorically to describe a change in nature, behavior, or function. The meeting unexpectedly turned into a heated debate. Pro Tip 2/3Not Always Physical The change might not be physical; it can refer to abstract transformations. Our friendly chat turned into a serious discussion. Pro Tip 3/3Rapid Change Often implies a sudden or surprising change in state or condition. The clear sky suddenly turned into a thunderstorm zone.