126 entries under adjective topic. ×

2
soft(quiet, gentle, flat, level)
2
stable(calm, quiet, direct, smooth)
2
tranquil(quiet, soft, gentle, flat)
2
unvarying(quiet, smooth, right, soft)
2
unwrinkled
2
velvety(quiet, soft, gentle, flat)
1
adjacent
1
akin(calm, smooth, flat, plain)
1
aligned(calm, smooth, flat, plain)
1
balanced(calm, direct, smooth, right)
1
buff
1
commensurate(calm, smooth, flat, plain)
1
common(calm, smooth, flat, plain)
1
comparable(calm, smooth, flat, plain)
1
consistent(calm, direct, smooth, right)
1
creamy(quiet, soft, gentle, flat)
1
depressed
1
dull
1
easy(quiet, soft, gentle, flat)
1
effortless(quiet, soft, gentle, flat)
10 years ago|18k views|share |citing 
APASmart Define. (2015). plane thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/plane/thesaurus/synonyms
ChicagoSmart Define. 2015. "plane thesaurus" https://smartdefine.org/plane/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, plane thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/plane/thesaurus/synonyms>.
MLASmart Define. "plane thesaurus" 24 October 2015. Web. 23 September 2026. <https://smartdefine.org/plane/thesaurus/synonyms>