Dart/dɑːrt/ Definition 1 of 5Pro Tip 1/3Sudden Speed Indicates a swift action with little warning. The cat darted out from under the bed. Pro Tip 2/3Figurative Use Can describe quick, non-physical shifts, like in a conversation. Her mind darted from topic to topic. Pro Tip 3/3Escape Context Often used when someone or something suddenly leaves or avoids a situation. He darted away from the crowd.