bonanza

noun

bo·​nan·​za bə-ˈnan-zə 

1

mining : an exceptionally large and rich mineral deposit (as of an ore, precious metal, or petroleum)

2

a

: something that is very valuable, profitable, or rewarding

a box-office bonanza

b

: a very large amount

a bonanza of sympathy

c

: extravaganza

… commercial channels planning all-day viewing bonanzas …

—William Borders

Examples of bonanza in a Sentence

Recent Examples on the Web

Summer Fest is here San Jose’s annual jazz bonanza is back with another eye-popping lineup of young stars and old favorites. — Randy McMullen, Mercury News, 6 Aug. 2026

The Pentagon’s rush to plug shortfalls has sparked a bonanza among incumbent military contractors and new defense startups, which are repurposing components from fracking, autos, and pharma to shorten production timetables. — Brendan Ruberry, semafor.com, 4 Aug. 2026

Still, that 104th and final game capped a biggest-ever tournament seen as a vindication for the FIFA president — a consensus success on the field and a financial bonanza for global soccer. — Graham Dunbar, Fortune, 2 Aug. 2026

The banner spawned a marketing bonanza in Argentina, appearing on stickers, tote bags, sneakers, artwork and soccer jerseys. — ABC News, 31 July 2026

Word History

Etymology

Spanish, literally, calm sea, from Medieval Latin bonacia, alteration of Latin malacia, from Greek malakia, literally, softness, from malakos soft

First Known Use

1825, in the meaning defined at sense 1

Rhymes for bonanza

• extravaganza
• stanza

Kids Definition

bonanza

noun

bo·​nan·​za bə-ˈnan-zə 

1

: a large and rich mineral deposit

2

: something that brings a rich return