English dictionary
molehill
/'m/oU/l,h/I/l/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a mound of earth made by moles while burrowing
Source: WordNet 3.0
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A little hillock of earth thrown up by moles working under ground; hence, a very small hill, or an insignificant obstacle or difficulty.
Source: webster1913