to make a deep, prolonged, resonant sound.
to move with a resounding rush or great impetus.
to progress, grow, or flourish vigorously, as a business or a city: Her business is booming since she enlarged the store.
to give forth with a booming sound (often followed by out): The clock boomed out nine.
to boost; campaign for vigorously: His followers are booming George for mayor.
a deep, prolonged, resonant sound.
the resonant cry of a bird or animal.
a buzzing, humming, or droning, as of a bee or beetle.
a rapid increase in price, development, numbers, etc.: a boom in housing construction.
a period of rapid economic growth, prosperity, high wages and prices, and relatively full employment.
a rise in popularity, as of a political candidate.
caused by or characteristic of a boom: boom prices.
- boom·ing·ly, adverb
Other definitions for boom (2 of 2)
Nautical. any of various more or less horizontal spars or poles for extending the feet of sails, especially fore-and-aft sails, for handling cargo, suspending mooring lines alongside a vessel, pushing a vessel away from wharves, etc.
an outrigger used on certain aircraft for connecting the tail surfaces to the fuselage.
a maneuverable and retractable pipe on a tanker aircraft for refueling another aircraft in flight.
a chain, cable, series of connected floating timbers, or the like, serving to obstruct navigation, confine floating timber, etc.
the area thus shut off.
Machinery. a spar or beam projecting from the mast of a derrick for supporting or guiding the weights to be lifted.
(on a motion-picture or television stage) a spar or beam on a mobile crane for holding or manipulating a microphone or camera.
to extend or position, as a sail (usually followed by out or off).
to manipulate (an object) by or as by means of a crane or derrick.
to sail at full speed.
- boomless, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use boom in a sentence
Ironically, the business of edtech and digital learning has been booming.Why hasn’t digital learning lived up to its promise? | Walter Thompson | September 17, 2020 | TechCrunch
These past months, as other industries struggle, Netflix has been booming.What if Your Company Had No Rules? (Bonus Episode) | Maria Konnikova | September 12, 2020 | Freakonomics
Esports, an already booming industry, have taken on an even greater significance in the wake of the coronavirus pandemic.FaZe Clan’s Lee Trink, Troy Carter and Nick ‘Nickmercs’ Kolcheff are coming to Disrupt 2020 | Jordan Crook | September 11, 2020 | TechCrunch
As one publishing executive put it, specialist titles don’t see the same boom and bust cycel as general news publishers.‘Too big to ignore’: Future estimates profits of nearly $110 million this year | Lucinda Southern | September 8, 2020 | Digiday
So even though they lost cross-border traffic, they’re seeing booms in domestic travel.Airbnb CEO: The pandemic will force us to see more of the world, not less | Verne Kopytoff | September 7, 2020 | Fortune
Turkey has had more than a decade of economic boom, and is now the sixth-most-visited tourist destination in the world.
“I was watching ‘Daniel The Tiger’ with my kid and I heard two shots like ‘boom-boom,’” he said.
But the dress was its own unapologetic sonic boom—and was immediately much-copied.Happy 20th Birthday, Liz Hurley’s Safety-Pin Dress | Tim Teeman | December 12, 2014 | THE DAILY BEAST
Christie has a lot riding on fulfilling his promise of shepherding Atlantic City into a third boom era.I Watched a Casino Kill Itself: The Awful Last Nights of Atlantic City’s Taj Mahal | Olivia Nuzzi | December 8, 2014 | THE DAILY BEAST
The current energy and industrial boom, according to Siemens President Joe Kaeser, “is a once-in-a-lifetime moment.”
There was a distant, dull boom in the air—a repeated heavy thud.Kipling Stories and Poems Every Child Should Know, Book II | Rudyard Kipling
“boom” refers, of course, to the large amount of support which Cleveland obtained on his second election to the Presidency.Assimilative Memory | Marcus Dwight Larrowe (AKA Prof. A. Loisette)
A church clock struck the hour of seven, its clangor intruding upon the silence only as a muffled boom.Dope | Sax Rohmer
It is a generally accepted axiom that a public man cannot afford to be modest in these go-ahead days of "boom."The Doctor of Pimlico | William Le Queux
And as I watched the canvas shake and heard it boom and flap I heartily welcomed it.Three More John Silence Stories | Algernon Blackwood
British Dictionary definitions for boom (1 of 2)
to make a deep prolonged resonant sound, as of thunder or artillery fire
to prosper or cause to prosper vigorously and rapidly: business boomed
a deep prolonged resonant sound: the boom of the sea
the cry of certain animals, esp the bittern
a period of high economic growth characterized by rising wages, profits, and prices, full employment, and high levels of investment, trade, and other economic activity: Compare depression (def. 5)
any similar period of high activity
the activity itself: a baby boom
British Dictionary definitions for boom (2 of 2)
nautical a spar to which a sail is fastened to control its position relative to the wind
a beam or spar pivoting at the foot of the mast of a derrick, controlling the distance from the mast at which a load is lifted or lowered
a pole, usually extensible, carrying an overhead microphone and projected over a film or television set
a barrier across a waterway, usually consisting of a chain of connected floating logs, to confine free-floating logs, protect a harbour from attack, etc
the area so barred off
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with boom
see lower the boom.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.