0
concave
0
crater
0
deflation(calm, happiness)
0
dip
0
disconsolation(benefit, cheer, comfort)
0
dispiritedness(benefit, cheer, comfort)
0
ditch(noun, flat, ton, tor, hillside)
0
flat
0
furrow
0
gloominess(benefit, comfort)
0
gouge
0
hard times(expression, calm, rise)
0
heaviness of heart(expression, idiom, benefit, cheer, comfort)
0
heavyheartedness(benefit, cheer, comfort)
0
hole
0
hollow
0
impression
0
indent
0
ingrowth(noun, depression)
0
lack(noun, depression)
11 years ago|283 views|share |citing 
APASmart Define. (2015). convexity thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/convexity/thesaurus/antonyms
ChicagoSmart Define. 2015. "convexity thesaurus" https://smartdefine.org/convexity/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, convexity thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/convexity/thesaurus/antonyms>.
MLASmart Define. "convexity thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/convexity/thesaurus/antonyms>