389 entries under simple topic. ×
| vanilla(adjective, dull, weak, flat) | |
| workaday(adjective, pure, common, ordinary) | |
| conventional(adjective, pure, common, ordinary) | |
| crystalline(adjective, clear, straightforward, precise) | |
| essential(adjective, pure, straightforward, basic) | |
| folksy(adjective, open, easy, clean) | |
| garden-variety(adjective, good, indifferent, ordinary) | |
| informal(adjective, common, ordinary, familiar) | |
| mild(adjective, calm, dull, quiet, mean) | |
| pedestrian(adjective, indifferent, ordinary, modest) | |
| poor(adjective, mean, weak, common) | |
| restrained(adjective, calm, sensible, pure) | |
| uncluttered(adjective, sharp, clean, pure) | |
| undeniable(adjective, clear, firm, true) | |
| unmingled(adjective, clean, genuine, wholesome) | |
| unrefined(adjective, common, natural, usual) | |
| childlike(adjective, open, easy, honest) | |
| crude(adjective, weak, poor, common) | |
| effortless(adjective, quiet, clear, light, smooth) | |
| jejune(adjective, dull, flat, stupid) |
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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> |