What does "molehill" mean?

A small mound of earth created by a mole's burrowing underneath the surface of the ground.

What is a synonym for "molehill"?

Common synonyms include: a continental, a curse, a damn, a darn, a hoot, anthill.

/ˈməʊlhɪl/ noun

noun ·Moderate ·College level

Noun

1
A small mound of earth created by a mole's burrowing underneath the surface of the ground.
2
a mound of earth made by moles while burrowing wordnet

"He makes a mountain out of a molehill."

From mole + hill.