An example of a sentence with the word bonanza would be: There was a bonanza of letters in my mailbox. Bonanza means plentiful or a lot of. Therefor, substituting the definition for bonanza would...
Bonanza is a noun for a rich mass of ore in mining; great or sudden wealth or luck; a windfall. Example use: I got a bonanza for cleaning my closet when I found thirty dollars in an old purse. He let...