1. [adjective] Experiencing a period of prosperity, or rapid economic growth.
2. [adjective] Loud and resonant.
3. [verb] Present participle of boom
4. [noun] The act of producing a hollow or roaring sound.
5. [adjective] 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'.
6. [adjective] Used of the voice.
