Synonyms|656Antonyms|84|Broader|28Narrower|39Related|326
6
ditch(noun, decline, ton, tor, hillside)
3
dale
3
ocean(expression, stone, rock, cliff, boulder)
3
decline
3
depression(noun, decline)
3
gulley(noun, decline, downs, talus)
3
vale
3
valley
2
furrow
0
canyon(noun, decline)
0
declivity
0
gutter
0
hollow(noun, adjective)
0
basin
0
bastard
0
bottom(noun, decline)
0
cavern
0
cavernous
0
cavity
0
channel
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APASmart Define. (2015). hill thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hill/thesaurus/antonyms
ChicagoSmart Define. 2015. "hill thesaurus" https://smartdefine.org/hill/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, hill thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hill/thesaurus/antonyms>.
MLASmart Define. "hill thesaurus" 23 December 2015. Web. 23 September 2026. <https://smartdefine.org/hill/thesaurus/antonyms>