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

The quick alignment will be a boon to the novice politician, who is simultaneously planning Lindsey Graham’s funeral, serving in his seat via appointment, and launching a snap campaign. — Burgess Everett, semafor.com, 20 July 2026

While any joint-production agreement will require some time to execute, this was nonetheless an enormous boon for Ukraine’s long-term security. — Ihor N. Stelmach, Hartford Courant, 19 July 2026

These changes – along with, crucially, incredible performances from the players themselves and compelling matchups that have included the boogeyman Dodgers in both of the last two World Series – have been a boon to the game. — Hannah Keyser, CNN Money, 17 July 2026

But while the team’s exploits on the field could not match the success of its supporters, pubs in England — some of which are struggling financially — have been boosted by the boon in beer sales from the team’s run to the World Cup semifinals. — Katrina Tudlong, NBC news, 15 July 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