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

That’s part of a black-market advertising bonanza on the social media site, where sellers are now hawking fake GLP-1 weight-loss drugs and experimental Chinese peptides alongside knockoff luxury handbags and sneakers. — Iain Martin, Forbes.com, 21 Aug. 2026

Buyback bonanza Technology stocks across Asia rebounded in Thursday’s session, led by AI darling SK Hynix. — Leonie Kidd, CNBC, 20 Aug. 2026

In mid-May, Vander Luitgaren started Batavia’s recruiting bonanza, choosing Wyoming. — Rick Armstrong, Chicago Tribune, 18 Aug. 2026

Think of it in the same light as the NCAA Tournament's 'first four in' bonanza that took place annually in Dayton, Ohio, before the organization decided to increase the amount of teams who received a bid. — Trey Wallace Outkick, FOXNews.com, 10 Aug. 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