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

Hollywood largely took a break, compared to past years, from this year’s pop-culture bonanza. —Phillip Molnar, San Diego Union-Tribune, 3 Nov. 2025

This creates a feeding bonanza called whale falls. —Laura Baisas, Popular Science, 29 Oct. 2025

Worries have been climbing that AI may be in the midst of a bubble, similar to the dot-com bonanza that ended up bursting in 2000. —Nick Lichtenberg, Fortune, 27 Oct. 2025

Big bye week bonanza Week 8 is the biggest bye week of the season – six teams are taking the week off, and fantasy football managers everywhere are feeling the pain. —Andy Scholes, CNN Money, 23 Oct. 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