| BELLYFLOPPING | • bellyflopping v. Present participle of bellyflop. • belly␣flopping v. Present participle of belly flop. • BELLYFLOP v. to perform a dive into water in which the body lands horizontally. |
| BLUESNARFINGS | • BLUESNARFING n. the unauthorized access of information from a wireless device through a Bluetooth connection. |
| FATIGABLENESS | • fatigableness n. Susceptibility to fatigue. • FATIGABLE n. easily tired, also FATIGUABLE. |
| FIBERGLASSING | • fiberglassing v. Present participle of fiberglass. • FIBERGLASS v. (US) to coat with fiberglass, a synthetic fibre made of fine filaments of molten glass, also FIBREGLASS. |
| FIBREGLASSING | • fibreglassing n. Alternative spelling of fiberglassing. • FIBREGLASS v. to protect or repair by applying fibreglass. |
| FILIBUSTERING | • filibustering v. Present participle of filibuster. • filibustering n. The act of one who filibusters. • FILIBUSTERING n. obstructing legislation by making long speeches. |
| FRANGIBLENESS | • frangibleness n. The quality of being frangible. • FRANGIBLE n. readily broken; breakable. |
| FUNGIBILITIES | • fungibilities n. Plural of fungibility. • FUNGIBILITY n. the state of being fungible. |
| INDEFATIGABLE | • indefatigable adj. Extremely persistent and untiring. • INDEFATIGABLE adj. incapable of being fatigued. |
| INDEFATIGABLY | • indefatigably adv. In an extremely persistent and untiring manner; in an indefatigable manner. • INDEFATIGABLE adv. incapable of being fatigued. |
| IRREFRANGIBLE | • irrefrangible adj. Not to be broken or transgressed against; inviolable. • irrefrangible adj. (Physics) Incapable of being refracted. • IRREFRANGIBLE adj. that cannot or should not be broken. |
| IRREFRANGIBLY | • irrefrangibly adv. In an irrefrangible manner. • IRREFRANGIBLE adv. that cannot or should not be broken. |
| UNFORGETTABLE | • unforgettable adj. Very difficult or impossible to forget. • UNFORGETTABLE adj. incapable of being forgotten. |
| UNFORGETTABLY | • unforgettably adv. In an unforgettable manner; very memorably. • UNFORGETTABLE adv. incapable of being forgotten. |