6
smooth
5
comfortable
5
level(noun, adjective, calm)
3
flat
2
even
2
soft
2
straight
1
evenly
1
regular
0
calm
0
downy
0
flush
0
peaceful
0
plane
0
still
0
common
0
composed
0
consonant
0
cottony
0
definite
11 years ago|939 views|share |citing 
APASmart Define. (2015). bumpy thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bumpy/thesaurus/antonyms
ChicagoSmart Define. 2015. "bumpy thesaurus" https://smartdefine.org/bumpy/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, bumpy thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bumpy/thesaurus/antonyms>.
MLASmart Define. "bumpy thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/bumpy/thesaurus/antonyms>