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

Another boon for Hong Kong A Shein listing in Hong Kong would nevertheless mark a boon for the the semi-autonomous territory, which has emerged this year as one of the top listing locations globally . —Karen Gilchrist, CNBC, 20 Aug. 2025

The gravity that Jefferson commands on defense has led to entire coverage schemes built to take him out of the game, which can be a boon for the rest of the Vikings' offense and McCarthy. —Trevor Squire, MSNBC Newsweek, 18 Aug. 2025

BlackRock is leading a $11 billion deal to lease and rent back natural gas processing facilities from Saudi Aramco, in a boon to Riyadh’s ambitions to attract more foreign investment. —Kelsey Warner, semafor.com, 15 Aug. 2025

Tracking snow is just about the greatest boon a hunter can hope for. —Fred C. Mercer, Outdoor Life, 14 Aug. 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