| DEMUREST | • demurest adj. Superlative form of demure: most demure. • DEMURE adj. shy and modest. |
| DOUREST | • dourest adj. Superlative form of dour: most dour. • DOUR adj. determined, sullen. |
| FAUREST | • FAUR adj. (Scots) far. |
| IMMATUREST | • immaturest adj. Superlative form of immature: most immature. • IMMATURE adj. not mature. |
| IMPUREST | • impurest adj. Superlative form of impure: most impure. • IMPURE adj. tainted, also UNPURE. |
| INSECUREST | • insecurest adj. Superlative form of insecure: most insecure. • INSECURE adj. not safe. |
| MATUREST | • maturest adj. Superlative form of mature: most mature. • maturest v. (Archaic) second-person singular simple present form of mature. • MATURE adj. fully developed, also MATURATE. |
| OBSCUREST | • obscurest adj. Superlative form of obscure: most obscure. • obscurest v. (Archaic) second-person singular simple present form of obscure. • OBSCURE adj. indistinct. |
| PUREST | • purest adj. Superlative form of pure: most pure. • purest adj. Having the greatest purity. • PURE adj. free from stain. |
| SECUREST | • securest adj. Superlative form of secure: most secure. • SECURE adj. free from danger. |
| SOUREST | • sourest adj. Superlative form of sour: most sour. • SOUR adj. having an acid taste. |
| SUREST | • surest adj. Superlative form of sure: most sure. • SURE adj. certain. |
| UNSUREST | • unsurest adj. Superlative form of unsure: most unsure. • UNSURE adj. not sure. |