Warble/ˈwɔːrbl/ Definition 1 of 3Pro Tip 1/3Nature Imagery Use 'warble' to create vivid imagery of natural scenes or sounds. We listened to the robin warble at dawn. Pro Tip 2/3Cheerful Tones 'Warble' usually suggests a happy or carefree sound, often used to describe birds. The canary warbled delightfully in its cage. Pro Tip 3/3Music Quality 'Warble' indicates a musical quality to sounds, with pleasant tonal variations. She could hear the stream warble as it flowed over the rocks.