14
smooth
8
delicate
7
easy
6
flat(adjective, smooth, level)
5
fragile
4
even
4
level
4
mild
3
dainty
3
weak
2
pastel
2
tender
2
calm
2
courteous
2
facile
2
flimsy
2
infirm
2
light-handed
2
moderate
2
overdelicate
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APASmart Define. (2015). rugged thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rugged/thesaurus/antonyms
ChicagoSmart Define. 2015. "rugged thesaurus" https://smartdefine.org/rugged/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, rugged thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rugged/thesaurus/antonyms>.
MLASmart Define. "rugged thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/rugged/thesaurus/antonyms>