| FRENUM | • frenum n. (Anatomy) Synonym of frenulum. • FRENUM n. (Latin) a connecting fold of membrane, also FRAENUM, FRENULUM. |
| FUNDER | • funder n. One who funds. • FUNDER n. a financial backer. |
| FUNKER | • funker n. One who funks, or backs out of something due to cowardice. • FUNKER n. one who funks. |
| FUNNER | • funner adj. (Nonstandard) comparative form of fun: more fun. • FUN adj. providing enjoyment. |
| FURANE | • furane n. (Organic chemistry) Alternative form of furan. • FURANE n. a chemical used in tanning, also FURAN, FURFURAN. |
| FURANS | • furans n. Plural of furan. • FURAN n. a chemical used in tanning, also FURANE, FURFURAN. |
| REFUND | • refund v. (Transitive) To return (money) to (someone); to reimburse. • refund v. (Transitive, obsolete) To supply (someone) again with funds. • refund v. (Transitive, obsolete, rare) To pour back (something). |
| RUFFIN | • ruffin adj. (Obsolete) disordered. • Ruffin prop.n. A surname. • RUFFIN n. (Spenser) a small freshwater fish of the perch family, also RUFFE. |
| RUNOFF | • runoff n. That portion of precipitation or irrigation on an area which does not infiltrate or evaporate, but instead… • runoff n. Dissolved chemicals, etc, included in such water. • runoff n. (Sports) A second or further round of a competition, after other competitors (often all but the last… |
| TURFEN | • turfen adj. (Archaic) Made of turf; covered with turf. • TURFEN adj. (archaic) made of turf. |
| UNFAIR | • unfair adj. Not fair, unjust. • unfair adj. (Rare or archaic) not beautiful; uncomely; unattractive. • unfair adj. (Archaic or obsolete) sorrowful; sad. |
| UNFIRM | • unfirm adj. Not firm; not strong or stable; feeble; infirm. • UNFIRM adj. not firm. |
| UNFORM | • unform v. To destroy the form of; to decompose, or resolve into parts; to unmake. • UNFORM v. to unmake. |
| UNFREE | • unfree adj. Not free; lacking freedom, especially (historical) of a tenant who was bound to a manor. • unfree n. (Historical) A person lacking freedom, such as a tenant bound to a manor. • UNFREE v. to deprive of freedom. |
| UNFURL | • unfurl v. To unroll or release something that had been rolled up, typically a sail or a flag. • unfurl v. (Figurative) To roll out or debut anything. • unfurl v. (Intransitive) To open up by unrolling. |
| UNROOF | • unroof v. To remove a roof from, e.g. a building. • UNROOF v. to remove the roof. |
| UNTURF | • unturf v. (Transitive) To strip the turf from. • UNTURF v. to strip of turf. |
| URNFUL | • urnful n. As much as an urn will hold. • URNFUL n. as much as an urn can hold. |