Find Antonyms
hillock Antonyms
Opposite of hillock
Pinning down the opposite of hillock requires matching its exact sense, so the antonyms and opposite words below are paired with a clear noun definition and ranked by contrast strength.
• noun (Context 1)
A small hill or naturally occurring mound of earth.
Usage Example
"The children spent the afternoon running up and rolling down the grassy hollow behind their farmhouse."
Strong
hollow
depression
dip
Weak
valley
Similar words to hillock
Words similar to hillock shift depending on context. Common synonyms include:
knoll
hummock
mound
rise
tump
Cite this Entry
Wordmom. (2026). Antonyms for Hillock. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/hillock