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Definition of molehill
molehill
/ˈmoʊl.hɪl/
mole · hill
Plural:molehills
molehill Lexical Profile
CEFR
B2
Grade
5
Tier
2
Usage
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• noun
1
A trivial, insignificant matter or minor obstacle (often contrasted with a mountain).
Example
"By stressing over a single delayed email, he was turning a harmless molehill into a major crisis."
2
A small mound or ridge of earth thrown up by a mole excavating its underground tunnels.
Example
"The gardener was frustrated to find several new molehills scattered across the freshly mowed lawn."
Synonyms
View all synonyms for molehill Antonyms
View all antonyms for molehillWord Nuance & Usage
Most frequently encountered in modern English within the idiom 'make a mountain out of a molehill,' meaning to exaggerate a trivial issue.
• Nearby Words
Word Origin & Etymology
Late Middle English, formed as a compound of 'mole' (the burrowing animal) and 'hill'.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Molehill. In Wordmom Dictionary. Retrieved Oct 15, 2026, from https://wordmom.com/dictionary/molehill