| DANDYFUNKS | • DANDYFUNK n. a ship's biscuit, soaked in fat and molasses and baked in a pan, also DUNDERFUNK. |
| ENDOSULFAN | • endosulfan n. (Chemistry) a toxic chlorinated polycyclic insecticide used to control mites. • ENDOSULFAN n. a brownish crystalline insecticide. |
| FULMINANTS | • fulminants n. Plural of fulminant. • FULMINANT n. a thunderbolt; an explosive. |
| FUNDAMENTS | • fundaments n. Plural of fundament. • FUNDAMENT n. the buttocks or anus. |
| INFLUENZAS | • influenzas n. Plural of influenza. • INFLUENZA n. a highly contagious viral infection. |
| INFRASOUND | • infrasound n. (Physics) Sound waves having a frequency below the human audible range (below about 20 Hz). • INFRASOUND n. frequencies below the usual audible limit. |
| INFUSORIAN | • infusorian n. Any member of the infusoria. • INFUSORIAN n. an obsolete term for small aquatic organisms, rotifers, algae etc. |
| MANFULNESS | • manfulness n. The state of being manful. • MANFULNESS n. the state of being manful. |
| UNFAIRNESS | • unfairness n. (Uncountable) The state of being unfair; lack of justice. • unfairness n. (Countable) An unjust act or situation. • UNFAIRNESS n. the state of being unfair. |
| UNFANCIEST | • UNFANCY adj. not fancy. |
| UNFASTENED | • unfastened adj. Not fastened. • unfastened v. Past participle of unfasten. • UNFASTEN v. to release from a fastening. |
| UNFORSAKEN | • unforsaken adj. Not forsaken. • UNFORSAKEN adj. not forsaken. |
| UNSAFENESS | • unsafeness n. The state or condition of being unsafe. • UNSAFENESS n. the state of being unsafe. |
| UNSANCTIFY | • unsanctify v. (Transitive) To reduce from a holy condition; to make profane. • UNSANCTIFY v. to remove the sanctity from. |