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

Fallings prices boon to renters, challenge for developers Apartment List uses citywide figures, and changes vary neighborhood by neighborhood. —Mark Dee, Idaho Statesman, 14 Jan. 2026

The gift is the largest in the organization’s history but also a major boon following years of management turmoil, layoffs and the loss of significant federal funding over the summer. —Thalia Beaty, Los Angeles Times, 13 Jan. 2026

This volatility can be a boon for investors who can tolerate more risk in exchange for potentially higher rewards. —Sharon Wu, CBS News, 12 Jan. 2026

Some companies, according to McKinsey’s report, had recently cut programs designed to support women; many had curtailed remote- or flexible-work options, which are generally a boon to moms trying to keep their jobs. —Faith Hill, The Atlantic, 12 Jan. 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