Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun bonanza

2 senses of bonanza

Sense 1
bonanza -- (an especially rich vein of precious ore)
       => vein, mineral vein -- (a layer of ore between layers of rock)

Sense 2
boom, bonanza, gold rush, gravy, godsend, manna from heaven, windfall, bunce -- (a sudden happening that brings good fortune (as a sudden opportunity to make money); "the demand for testing has created a boom for those unregulated laboratories where boxes of specimen jars are processed like an assembly line")
       => happening, occurrence, occurrent, natural event -- (an event that happens)