| DUSTPROOF | • dustproof adj. Resistant to dust. • DUSTPROOF adj. designed to exclude dust. |
| FRUMPIEST | • frumpiest adj. Superlative form of frumpy: most frumpy. • FRUMPY adj. ill-dressed or dowdy. |
| PERFUSATE | • perfusate n. The fluid used in perfusion. • PERFUSATE n. that which is perfused. |
| PROFLUENT | • profluent adj. Flowing smoothly as if in a stream. • PROFLUENT adj. (Milton) flowing out or onwards. |
| PUTREFIED | • putrefied v. Simple past tense and past participle of putrefy. • PUTREFY v. to make or become putrid. |
| PUTREFIER | • putrefier n. That which putrefies. • PUTREFIER n. an agent that causes putrefaction. |
| PUTREFIES | • putrefies v. Third-person singular simple present indicative form of putrefy. • PUTREFY v. to make or become putrid. |
| RUSTPROOF | • rustproof adj. Resistant to rust, oxidation and corrosion. • rustproof adj. Resistant to the rust fungus. • rustproof v. To make resistant to rust, such as by applying a coating. |
| SPIRITFUL | • spiritful adj. (Now rare) Full of spirit; spirited. • SPIRITFUL adj. full of spirit; spirited. |
| SPRITEFUL | • spriteful adj. Obsolete spelling of sprightful. • SPRITEFUL adj. impish. |
| STUPEFIER | • stupefier n. Someone or something that stupefies. • STUPEFIER n. something that stupefies. |
| SUPERFAST | • superfast adj. Extremely fast. • superfast adv. At extremely high speed. • SUPERFAST adj. very fast. |
| SUPERSOFT | • supersoft adj. Very soft. • supersoft adj. (Astronomy) Describing astronomical X-rays of very low energy. • supersoft adj. (Motorsports) Softer than soft, harder than ultrasoft and therefore harder than hypersoft. |
| UNPERFECT | • unperfect adj. Imperfect. • unperfect v. (Transitive) To mar or destroy the perfection of. • UNPERFECT adj. not perfect, also IMPERFECT. |
| UPLIFTERS | • uplifters n. Plural of uplifter. • UPLIFTER n. one who uplifts. |