Synonyms|179Antonyms|7|Broader|1Narrower|6Related|54
5
valley
3
basin
2
cavity
1
decline
1
depression(noun, decline)
1
indentation
0
dimple
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APASmart Define. (2015). hillock thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hillock/thesaurus/antonyms
ChicagoSmart Define. 2015. "hillock thesaurus" https://smartdefine.org/hillock/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, hillock thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hillock/thesaurus/antonyms>.
MLASmart Define. "hillock thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/hillock/thesaurus/antonyms>