boom

To make a loud, hollow, resonant sound.

• Thunder boomed in the distance and lightning flashes lit up the horizon.
• The cannon boomed, recoiled, and spewed a heavy smoke cloud.

To exclaim with force, to shout, to thunder.figurativelytransitive

• I was about to reach for the marmalade, when I heard the telephone tootling out in the hall and rose to attend to it. “Bertram Wooster's residence,” I said, having connected with the instrument. “Wooster in person at this end. Oh hullo,” I

To flourish, grow, or progress.intransitive

• The population boomed in recent years.
• Business was booming.

To make (something) boom.transitive

• Men in grey robes slowly boom the drums of death.

To make a deep, resonant, territorial vocalisation.

• Miles on miles of quagmire, varied only by bright green strips of comparatively solid ground, and by deep and sullen pools fringed with tall rushes, in which the bitterns boomed and the frogs croaked incessantly[.]

To cause a sonic boom.intransitive

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

To publicly praise, to rally behind.USobsoleteslang

• If you pull this off every paper in England and America will be booming you.

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.

• The train boomed through the station without stopping.
• The ship was booming under the press of sail.

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

• In its White game Stockfish had various moments of booming during these long thinks, but these long thinks always ended disappointingly in a slightly lower evaluation than it started with.

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

• the boom of the surf

A rapid expansion or increase.

• You should prepare for the coming boom in the tech industry.

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

Ellipsis of sonic boom.abbreviationalt-ofellipsis

One of the calls of certain monkeys or birds.

• Interestingly, the blue monkey's boom and pyow calls are both long-distance signals (Brown, 1989), yet the two calls differ in respect to their susceptibility to habitat-induced degradation.

An instance of booming.slang

• Some chess commentators know to excitedly point out when booms happen but they almost universally are missing out on the next step of explaining what the boom meant.
• The evaluation boom and moob continued as Stockfish headed for a queen-rook-knight vs queen-rook-knight position that looked pretty nasty to me!

Used to suggest the sound of an explosion.

• crash boom bang

Used to suggest something happening suddenly or unexpectedly; voilà.

• Add one cup of hot water, wait a minute, and boom — your cup of ramen is ready.

The sound of a bass drum beating.

The sound of a cannon firing.

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

• Tighten the outhaul and place the appropriate line in the cam cleat located on the boom about two feet back from the mast.

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

Ellipsis of boom microphone (a microphone supported on such a pole).abbreviationalt-ofbroadly

A deployable structure on spacecraft used for mounting solar panels, radiators, antennae, instruments, etc.

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

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

A boom barrier; a lowerable bar used to block vehicle access.

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

• I went out on the timber boom and made a few casts, but with little success.

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.

• The wooden upright was now standing in the middle of the floor, and the two booms were fitted into its grooved side and hoisted as high as hands could reach. [...] Two by two, one at each end, the students proceeded along the boom, hanging

A wishbone-shaped piece of windsurfing equipment.

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

• to boom out a sail
• to boom off a boat

To raise or lower with a crane boom.usually