a deep prolonged loud noise

[ Syn: boom , roar , thunder ]

a very loud utterance (like the sound of an animal); his bellow filled the hallway

[ Syn: bellow , bellowing , holla , holler , hollering , hollo , holloa , roar , yowl ]

extremely; roaring drunk'

very lively and profitable; flourishing businesses; a palmy time for stockbrokers; a prosperous new business; doing a roaring trade; a thriving tourist center; did a thriving business in orchids

[ Syn: booming , flourishing , palmy , prospering , prosperous , thriving ]