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

Despite the economic boon wind and solar can provide for rural economies, county governments across the state have begun placing significant impediments and outright bans on their development. —Sophie Hartley, IndyStar, 20 Oct. 2025

Now Russia had access to world markets—a boon for its exports and for its élites’ insatiable appetite for real estate and high-end goods. —Julia Ioffe, New Yorker, 19 Oct. 2025

These later-stage professional creators have been a boon for advertisers that are seeking to reach previously untapped communities online. —Taylor Lorenz, HollywoodReporter, 16 Oct. 2025

Not strictly a boon for the economy, bust for the ecology, the future of lithium extraction includes a lower-impact direct lithium extraction could significantly reduce the environmental footprint. —Laura Dannen Redman, Robb Report, 16 Oct. 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