1. a small mound of earth pushed up by a mole digging underground tunnels
2. something trivial or insignificant that is treated as if it were important
Usage: figurative; often in the phrase ‘make a mountain out of a molehill’

Examples

• The lawn was dotted with molehills after the recent rain.
• She carefully stepped around the molehills in the garden.
• Don’t make a mountain out of a molehill over this small mistake.
• He tends to turn every molehill into a crisis.
• The moles had created several molehills near the flower bed.
• Stop worrying about that molehill of a problem.
• Fresh molehills appeared overnight in the yard.