We found 16 dictionaries that define the word goldmine:

General (13 matching dictionaries)

1. goldmine: Vocabulary.com
2. Goldmine, goldmine: Wordnik
3. goldmine: Cambridge Advanced Learner's Dictionary
4. goldmine: Wiktionary
5. goldmine: Dictionary.com
6. Goldmine (George Fox song), Goldmine (album), Goldmine (disambiguation), Goldmine (magazine), Goldmine: Wikipedia, the Free Encyclopedia
7. goldmine: Rhymezone
8. goldmine: FreeDictionary.org
9. goldmine: Mnemonic Dictionary
10. goldmine: TheFreeDictionary.com
11. goldmine: Longman Dictionary of Contemporary English

Computing (1 matching dictionary)

12. GoldMine, Goldmine (disambiguation): Encyclopedia

Miscellaneous (1 matching dictionary)

13. goldmine: Idioms

Slang (1 matching dictionary)

14. goldmine: Urban Dictionary

(Note: See goldmines as well.)

Definitions from Wiktionary ( ) ▸ noun:  Alternative form of gold mine [A mine for gold ore or metal.] Similar: bonanza, boom, manna from heaven, motherlode, trove, untapped, nugget, veritable, windfall, paydirt, more... Opposite: barren wasteland, unproductive, dry hole Phrases: Velvet Goldmine, more... Adjectives: veritable, potential, little, real, virtual, richest, perfect, small, absolute, untapped, true ▸ Words similar to goldmine ▸ Usage examples for goldmine ▸ Idioms related to goldmine ▸ Wikipedia articles (New!) ▸ Popular adjectives describing goldmine ▸ Words that often appear near goldmine ▸ Rhymes of goldmine ▸ Invented words related to goldmine