Definition of bonanza
1 mining : an exceptionally large and rich mineral deposit (as of an ore, precious metal, or petroleum)
2a : something that is very valuable, profitable, or rewarding a box-office bonanzab : a very large amount a bonanza of sympathyc : extravaganza channels planning all-day viewing bonanzas — William Borders
Recent Examples of bonanza from the Web
But the emerging dominance of mobile is a bonanza specifically for Google and Facebook.
Calderas at other large shield volcanoes have also formed in this fashion, but to be able to measure the motion so precisely is a great scientific bonanza.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bonanza'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of bonanza
Spanish, literally, calm sea, from Medieval Latin bonacia, alteration of Latin malacia, from Greek malakia, literally, softness, from malakos soft
First Known Use: 1825See Words from the same year
BONANZA Defined for English Language Learners
Definition of bonanza for English Language Learners
: something that produces very good results for someone or something
: a large amount of something valuable
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