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

Such partnerships could prove a boon to XRP, the native token of the XRP Ledger, a decentralized blockchain aimed to service fast and low-cost transactions. —Liz Napolitano, CNBC, 10 Nov. 2025

Shell told analysts that the UFC’s year-round schedule will be a boon particularly for CBS, which has its big sports investments clustered around the fall and winter NFL schedule and spring NCAA tournament. —Cynthia Littleton, Variety, 10 Nov. 2025

While many states have sought to attract data centers as an economic boon, legislatures and utility commissions were also flooded with proposals to try to protect regular ratepayers from paying to connect data centers to the grid. —Nick Lichtenberg, Fortune, 8 Nov. 2025

While there’s not a ton of research out there, what little there is seems to show that bovine colostrum can provide similar benefits, which can be a boon to those seeking alternatives to or supplements for breast milk out of preference or necessity. —Audrey Bruno, SELF, 7 Nov. 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

• 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