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 of boon

Noun

• advantage
• benefit
• asset

Adjective

• social
• outgoing
• gracious
• friendly
• hospitable

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

In an ironic tailwind for the time being, the swings in the stock market are actually a boon for Goldman’s trading desk, which pulls in fees by offering clients complex options and swaps in order to hedge their risks. —Morgan Chittum, CNBC, 15 Mar. 2026

Though the Red Sox have veteran lefty Aroldis Chapman in the closer role, this version of Weissert could be a significant boon for the bullpen, should manager Alex Cora find himself in need of a righty closer. —Gabrielle Starr, Boston Herald, 14 Mar. 2026

Moreover, last year was a boon for senior staff. —Chris Weatherspoon, New York Times, 13 Mar. 2026

The lens darkening is a boon, though, as turning on the tint makes the image really pop against the dark background. —Will Greenwald, PC Magazine, 12 Mar. 2026

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

• 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