See more synonyms for boomy on
adjective, boom·i·er, boom·i·est.
  1. excessively resonant: a loudspeaker with a boomy sound in the lower register.
  2. affected by, characterized by, or indicative of an economic boom.

Origin of boomy

First recorded in 1925–30; boom1 + -y1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018