Synonyms|649Antonyms|60|Broader|30Narrower|21Related|115
9
flat(noun, plain)
1
support
1
entry
1
formation
1
foundation
1
furrow
0
drain
0
groove
0
plain
0
trough
0
attachment
0
base
0
descent
0
despondency
0
ground
0
gutter
0
header
0
hole
0
housing
0
landing
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APASmart Define. (2016). ridge thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/ridge/thesaurus/antonyms
ChicagoSmart Define. 2016. "ridge thesaurus" https://smartdefine.org/ridge/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, ridge thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/ridge/thesaurus/antonyms>.
MLASmart Define. "ridge thesaurus" 1 March 2016. Web. 23 September 2026. <https://smartdefine.org/ridge/thesaurus/antonyms>