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

2 senses of goldmine

Sense 1
goldmine, gold mine -- (a good source of something that is desired)
       => source -- (a facility where something is available)

Sense 2
goldmine, gold mine -- (a mine where gold ore is found)
       => mine -- (excavation in the earth from which ores and minerals are extracted)