Synonyms for plain

Some common synonyms of plain are: plain [a.] 1. Even, level, smooth, flat, plane. 2. Open, clear, unencumbered, uninterrupted. 3. Manifest, visible, obvious, clear, unmistakable, apparent, certain, palpable, conspicuous, notable, notorious, glaring, patent, open, evident, distinct. 4. Unequivocal, unambiguous, distinct, explicit, intelligible, perspicuous. 5. Simple, unadorned. 6. Homely, ugly, ill-looking, ill-favored. 7. Artless, honest, sincere, candid, frank, open, downright, direct, unsophisticated, ingenuous, undesigning, straightforward, single-minded, open-hearted, above-board, unreserved. 8. Artless, simple, unlearned, unsophisticated, natural, unaffected, homely, common. 9. Mere, absolute, unmistakable. 10. Easy, direct, clear. 11. Simple, frugal, homely. 12. Unornamented, unfigured, unvariegated.