Croon/kruːn/ Definition 1 of 3Pro Tip 1/3Emotional Expression Used to convey warmth and intimacy, often in romantic settings or to soothe. Under the moonlight, he began to croon her favorite love song. Pro Tip 2/3Musical Styles Common in jazz and blues, where singers emphasize emotional storytelling. The blues artist's ability to croon was unmatched, drawing in the crowd. Pro Tip 3/3Not For Loud Venues Best understood in quiet settings as it's a soft singing style. The cafe's ambiance was perfect for the singer to croon without a microphone.