from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of, relating to, characterized by, or resulting from a flourishing economy: "Things aren't as boomy as forecasters thought they would be” ( U.S. News & World Report).
- adj. Acoustics Exhibiting excessive accentuation on lower-pitched tones in reproduced sound: "This mode of bass reinforcement by resonance often causes boomy obfuscation of the true musical pitch—something akin to singing into a barrel” ( New York Times).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Characterized by heavy bass sounds.
- adj. Of or pertaining to a financial boom.
from The Century Dictionary and Cyclopedia
- Hollow; deeply resonant: as, the boomy tone of surf, or of a bell.
boom + -y (Wiktionary)