389 entries under simple topic. ×
| flat(noun, adjective, characteristic, calm, dull) | |
| unpretentious(adjective, quiet, quality, mean, open) | |
| lucid(adjective, calm, clear, easy) | |
| pure(adjective, strong, right, clean) | |
| understandable(adjective, clear, sharp, straightforward) | |
| artless(adjective, open, direct, free) | |
| stark(adjective, dull, pure, bare) | |
| modest(adjective, quiet, mean, gentle) | |
| unvarnished(adjective, tough, honest, exact) | |
| definite(adjective, clear, sharp, flat) | |
| sincere(adjective, good, clear, open, direct) | |
| straight(adjective, calm, good, clear, strong) | |
| commonplace(adjective, good, dull, mean) | |
| ingenuous(adjective, good, open, direct, free) | |
| austere(adjective, clean, harsh, pure) | |
| clear-cut(adjective, clear, see, sharp) | |
| comprehensible(adjective, clear, sharp, distinct) | |
| dull(adjective, weak, tough, flat) | |
| forthright(adjective, good, open, light, direct) | |
| naive(adjective, open, direct, free) |
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| APA | Smart Define. (2016). plain thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/plain/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, plain thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/plain/thesaurus/synonyms>. |
| MLA | Smart Define. "plain thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/plain/thesaurus/synonyms> |