162 entries under smooth topic. ×
| mellow(adjective, calm, weak, kind) | |
| nothing(adjective, dull, weak, simple) | |
| pabulum(adjective, dull, weak, simple) | |
| pacific(adjective, calm, weak, kind) | |
| parallel(adjective, calm, direct, right) | |
| placid(adjective, calm, dull, quiet, weak) | |
| rolled(adjective, calm, plain, level) | |
| satiny | |
| shiny(adjective, quiet, soft, gentle) | |
| slithery | |
| tender(adjective, calm, kind, soft) | |
| unwrinkled(adjective, direct, right, level) | |
| akin(adjective, calm, plain, level) | |
| aligned(adjective, calm, plain, level) | |
| balmy(adjective, calm, weak, kind) | |
| burnished | |
| clement(adjective, calm, weak, kind) | |
| commensurate(adjective, calm, plain, level) | |
| comparable(adjective, calm, plain, level) | |
| complanate(adjective, level) |
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| APA | Smart Define. (2016). flat thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/flat/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "flat thesaurus" https://smartdefine.org/flat/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, flat thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/flat/thesaurus/synonyms>. |
| MLA | Smart Define. "flat thesaurus" 1 March 2016. Web. 22 September 2026. <https://smartdefine.org/flat/thesaurus/synonyms> |