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

channels planning all-day viewing bonanzas

—William Borders

Examples of bonanza in a Sentence

Recent Examples on the Web

Trump’s trip to Saudi Arabia, the United Arab Emirates and Qatar was expected to kick off a bonanza of investment deals for U.S. tech businesses. —Iain Martin, Forbes.com, 12 May 2025

Trump likes to complain that other countries rip Americans off, but the reality is that Canada’s inability to get its two largest exports to other markets has been a bonanza for American refiners and consumers. —Ian Cooper, Sun Sentinel, 5 May 2025

The presence of an easily searchable database capturing a machine’s every waking moment would also be a bonanza for others who don’t have users’ best interests at heart. —Dan Goodin, ArsTechnica, 11 Apr. 2025

But the drama may already have damaged US operations in Yemen as well as America’s reputation more broadly and offered an intelligence bonanza to its enemies. —Cnn.com Wire Service, Mercury News, 27 Mar. 2025

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