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

In a back-and-forth scoring bonanza, Pickens was the Cowboys’ answer for Dowdle’s runaway success. —Charlotte Observer, 12 Oct. 2025

On today's show, LA's public transit building bonanza, and why some worry the new infrastructure will benefit tourists more than locals. —Darian Woods, NPR, 22 Sep. 2025

My aurora-watching bonanza took place at Lane Cove Campground. —Stephanie Vermillion, Travel + Leisure, 20 Sep. 2025

And this body-care bonanza has spilled off the app and onto beauty shelves, with new products, brands, and innovations emerging near daily. —Sophia Panych, Allure, 16 Sep. 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