| Noun | 1. | roaring - a deep prolonged loud noisenoise - sound of any kind (especially unintelligible or dissonant sound); "he enjoyed the street noises"; "they heard indistinct noises of people talking"; "during the firework display that ended the gala the noise reached 98 decibels" | |
| 2. | roaring - a very loud utterance (like the sound of an animal); "his bellow filled the hallway"cry, outcry, shout, vociferation, yell, call - a loud utterance; often in protest or opposition; "the speaker was interrupted by loud cries from the rear of the audience" | |
| Adj. | 1. | roaring - 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"successful - having succeeded or being marked by a favorable outcome; "a successful architect"; "a successful business venture" | |
| 2. | roaring - loud enough to cause (temporary) hearing lossloud - characterized by or producing sound of great volume or intensity; "a group of loud children"; "loud thunder"; "her voice was too loud"; "loud trombones" | |
| Adv. | 1. | roaring - extremely; "roaring drunk" | |