boon

1 of 2

noun

ˈbün 

1

: a timely benefit : blessing

a boon to new homeowners

The rain was a boon for parched crops.

2

: benefit, favor

especially : one that is given in answer to a request

would not grant his boon

boon

2 of 2

adjective

1

: convivial

a boon companion

2

archaic : favorable

Synonyms

Noun

• advantage
• benefit
• asset

Adjective

• social
• outgoing
• hospitable
• friendly

Examples of boon in a Sentence

Noun

the couple's generous donation was a great boon to the charity's fund-raising campaign

a softhearted man who finds it hard to deny any boon, whether it be for friend or stranger

Adjective

I and my boon companions celebrated that afternoon's victory on the gridiron with a night at a local dance club.

Recent Examples on the Web

Noun

Getting a left-handed leverage reliever back would be a boon for a bullpen that has practically been a rotating door over the last month. —Abbey Mastracco, New York Daily News, 5 July 2025

Apple Munster said that Wall Street’s iPhone sales expectations are underestimating the potential power of a strong upgrade cycle, which could be a boon for Apple stock. —Brian Evans, CNBC, 5 July 2025

That is not inherently bad and tactical flexibility, particularly during a major tournament, is usually a boon. —Megan Feringa, New York Times, 28 June 2025

Law is a sector that can prosper in hostile environments—litigation thrives during both prosperity and adversity, and downtimes can be a boon for countercyclical practices like bankruptcy and restructuring. —Liane Jackson, Forbes.com, 25 June 2025

Word History

Etymology

Noun

Middle English bone prayer, request, the favor requested, from Old Norse bōn request; akin to Old English bēn prayer, bannan to summon — more at ban entry 1

Adjective

Middle English bon, from Anglo-French, good — more at bounty

First Known Use

Noun

12th century, in the meaning defined at sense 2

Adjective

14th century, in the meaning defined at sense 2

Phrases Containing boon

• ace boon coon
• boon companion

Rhymes for boon

• brune
• coon
• croon
• dune
• goon
• hewn
• hoon
• june
• loon
• moon
• noon
• poon

Kids Definition

boon

1 of 2 noun

ˈbün 

1

: something asked or granted as a favor

2

: something pleasant or helpful that comes at just the right time : blessing

boon

2 of 2 adjective

: merry sense 1

a boon companion

Etymology

Noun

Middle English boon "favor," from an early Norse word meaning "a request, plea"

Adjective

Middle English boon, bon "favorable," from early French bon "good," derived from Latin bonus "good" — related to bonus