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Synonyms

boon

1 American  
[boon] / bun /

noun

  1. something to be thankful for; blessing; benefit.

  2. something that is asked; a favor sought.

boon 2 American  
[boon] / bun /

adjective

  1. (of a person) jolly; jovial; convivial.

    boon companions.

  2. Archaic. kindly; gracious; bounteous.

boon 3 American  
[boon] / bun /

noun

Textiles.

  1. the ligneous waste product obtained by braking and scutching flax.

boon 1 British  
/ buːn /

noun

  1. something extremely useful, helpful, or beneficial; a blessing or benefit

    the car was a boon to him

  2. archaic a favour; request

    he asked a boon of the king
"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
boon 2 British  
/ buːn /

adjective

  1. close, special, or intimate (in the phrase boon companion )

  2. archaic jolly or convivial

"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 Word Forms

  • boonless adjective

Etymology

Origin of boon1

First recorded in 1150–1200; Middle English bon(e) “praying, a prayer, favor asked for,” from Old Norse bōn “prayer, request, petition”; cognate with Old English bēn

Origin of boon2

First recorded in 1300–50; Middle English bon(e), boun “good, goodly,” from Old French, from Latin bonus “good, expert”

Origin of boon3

First recorded in 1350–1400; Middle English (north) bun(n)e, bone “reed, stem, husk (of flax)”; compare Old English bune “reed; drinking cup”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

However, according to state agency the Ohio Consumers’ Counsel, while construction brings a short-term boon for jobs, those opportunities drop off once the sites are built.

From The Wall Street Journal • Apr. 8, 2026

The LA28 committee described the arrival of the Games as a boon for the city’s inhabitants, with unifying statements: “Creating the Games together!”

From Los Angeles Times • Apr. 7, 2026

Global conflict is usually a boon to defense contractors, and overall, 2026 has seen large gains for weapons makers.

From Barron's • Mar. 30, 2026

The frustration of travelers with long TSA lines has become a boon for one company: Clear Secure YOU 0.13%increase; green up pointing triangle .

From The Wall Street Journal • Mar. 25, 2026

After a moment, he asked, “What is your boon, then?”

From "The Book of Three" by Lloyd Alexander

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.