Princeton's WordNet
bonanza(noun)
an especially rich vein of precious ore
Synonyms:
manna from heaven, godsend, boom, gravy, gold rush, bunce, windfallboom, bonanza, gold rush, gravy, godsend, manna from heaven, windfall, bunce(noun)
a sudden happening that brings good fortune (as a sudden opportunity to make money)
Synonyms:
miraculous food, thunder, bonanza, roar, microphone boom, boom, windfall, gravy, pan gravy, gold rush, godsend, manna from heaven, manna, roaring, bunce
Wiktionary
bonanza(noun)
Antonyms:
borrascabonanza(noun)
In mining, a rich mine or vein of silver or gold.Antonyms:
borrascabonanza(noun)
The point at which two mother lodes intersectAntonyms:
borrascabonanza(noun)
By extension, anything which is a mine of wealth or yields a large income or return.Antonyms:
borrasca
PPDB, the paraphrase database
List of paraphrases:
pail, boom, windfall, upswing, manna
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