boom·ing 
/ˈbu:mɪŋ/ adjective
/ˈbu:mɪŋ/ adjective 1 : growing or expanding very quickly
▪ booming car sales ▪ We're not benefiting from the country's booming economy. 2 : loud and low : having a low rumbling sound
▪ Suddenly the children heard Grandpa's booming voice demanding that they get down from the roof. 3 : very forceful or powerful
▪ a tennis player with a booming serve
▪ booming car sales ▪ We're not benefiting from the country's booming economy.
▪ Suddenly the children heard Grandpa's booming voice demanding that they get down from the roof.
▪ a tennis player with a booming serve
