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Which of the following words describes “sky blue”?
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Origin of boom

1
First recorded in 1400–50; 1910–15 for def. 10; late Middle English bombon, bummyn “to buzz”; cognate with Dutch bommen, German bummen; imitative of the sound

OTHER WORDS FROM boom

boom·ing·ly, adverb

Other definitions for boom (2 of 2)

boom2
[ boom ]
/ bum /

noun
verb (used with object)
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.
verb (used without object)
to sail at full speed.

Origin of boom

2
First recorded in 1660–65; from Dutch: literally, “tree, pole”; see origin at beam

OTHER WORDS FROM boom

boomless, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use boom in a sentence

British Dictionary definitions for boom (1 of 2)

boom1
/ (buːm) /

verb
to make a deep prolonged resonant sound, as of thunder or artillery fire
to prosper or cause to prosper vigorously and rapidlybusiness boomed
noun

Word Origin for boom

C15: perhaps from Dutch bommen, of imitative origin

British Dictionary definitions for boom (2 of 2)

boom2
/ (buːm) /

noun
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
  1. 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
  2. the area so barred off

Word Origin for boom

C16: from Dutch boom tree, beam
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

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.
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