| FRIBBLING | • fribbling v. Present participle of fribble. • FRIBBLE v. to be frivolous, trifle. |
| FIREBALLING | • fireballing v. Present participle of fireball. • fireballing adj. (Baseball) Tending to pitch fastballs. • FIREBALLING adj. relating to the delivery of fireballs, fast balls in baseball. |
| INFRANGIBLE | • infrangible adj. Unbreakable, indestructible, or very difficult to break. • INFRANGIBLE adj. not able to be broken or violated. |
| INFRANGIBLY | • infrangibly adv. In an infrangible manner. • INFRANGIBLE adv. not able to be broken or violated. |
| DIFFRANGIBLE | • diffrangible adj. Able to be diffracted. • DIFFRANGIBLE adj. capable of being diffracted or separated. |
| FIBRILLATING | • fibrillating v. Present participle of fibrillate. • fibrillating adj. Splitting into fibrils or fibres. • fibrillating adj. Of a muscle, especially in the heart: undergoing fibrillation; quivering. |
| FORBIDDINGLY | • forbiddingly adv. In a forbidding manner. • FORBIDDINGLY adv. FORBIDDING. |
| FRANGIBILITY | • frangibility n. The state or quality of being frangible. • FRANGIBILITY n. the state of being frangible. |
| 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. |
| 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. |
| DEFIBRILLATING | • defibrillating v. Present participle of defibrillate. • DEFIBRILLATE v. to apply a defibrillator to. |
| FILIBUSTERINGS | • filibusterings n. Plural of filibustering. • FILIBUSTERING n. obstructing legislation by making long speeches. |
| FRANGIBILITIES | • frangibilities n. Plural of frangibility. • FRANGIBILITY n. the state of being frangible. |
| INFRANGIBILITY | • infrangibility n. The quality of being infrangible. • INFRANGIBILITY n. the state of being infrangible. |
| REFRANGIBILITY | • refrangibility n. The quality of being refrangible. • REFRANGIBILITY n. the state of being refrangible. |
| DIFFRANGIBILITY | • diffrangibility n. Ability to be diffracted. • DIFFRANGIBILITY n. the state of being diffrangible, capable of being diffracted or separated. |
| INFRANGIBLENESS | • infrangibleness n. The state or quality of being infrangible. • INFRANGIBLENESS n. the state of being infrangible. |