boom🔊

To make a loud, hollow, resonant sound.

(of speech) To exclaim with force, to shout, to thunder.

(flourish)To flourish, grow, or progress. +

To make (something) boom.

(of a Eurasian bittern) To make a deep, resonant, territorial vocalisation.

(aviation):

To cause a sonic boom.

(slang) To subject (someone or something) to a sonic boom.

(obsolete) To publicly praise, to rally behind.

(of a vehicle) To rush forwards with such violent intensity that it generates a sustained, overwhelming, roaring noise; especially from the perspective of a bystander who has been suddenly subjected to it.

(slang) To rapidly adjust the evaluation of a position away from zero, indicating a likely win or loss.

(dated) To cause to advance rapidly in price.

A low-pitched, resonant sound, such as of an explosion.

A rapid expansion or increase.

(business) A period of prosperity, growth, progress, or high market activity.

(aviation) (sonic boom).

One of the calls of certain monkeys or birds.

(slang) An instance of booming.

{{non-gloss|Used to suggest the sound of an explosion.}}

{{non-gloss|Used to suggest something happening suddenly or unexpectedly; voilà.}}

The sound of a bass drum beating.

The sound of a cannon firing.

(sailing) (sailing) A spar extending the foot of a sail; a spar rigged outboard from a ship's side to which boats are secured in harbour.

(videography)

A specially-designed, movable pole, used to suspend a microphone or camera high above the ground during filming or recording.

(by extension) (pos=a microphone supported on such a pole).

A horizontal member of a crane or derrick, used for lifting.

(electronics) The longest element of a Yagi-Uda antenna, on which the other, smaller antennae are transversally mounted.

A floating barrier used to obstruct navigation, for military or other purposes; or used for the containment of an oil spill or to control the flow of logs from logging operations.

(gymnastics) (gymnastics) A gymnastics apparatus, similar to a balance beam, which must be traversed as part of an obstacle course, typically as a training exercise in school or as part of basic training for new military recruits.

(windsurfing) A wishbone-shaped piece of windsurfing equipment.

The section of the arm on a backhoe closest to the tractor.

To extend, or push, with a boom or pole.

(usually with "up" or "down") To raise or lower with a crane boom.