| DEFENSIBILITY | • defensibility n. The state or quality of being defensible. • DEFENSIBILITY n. the quality of being defensible. |
| FIBRILLATIONS | • fibrillations n. Plural of fibrillation. • FIBRILLATION n. uncoordinated contraction of muscle-fibres in the heart. |
| FIBRINOLYSINS | • fibrinolysins n. Plural of fibrinolysin. • FIBRINOLYSIN n. any of several proteolytic enzymes that promote the dissolution of blood clots. |
| FILIBUSTERING | • filibustering v. Present participle of filibuster. • filibustering n. The act of one who filibusters. • FILIBUSTERING n. obstructing legislation by making long speeches. |
| FUNGIBILITIES | • fungibilities n. Plural of fungibility. • FUNGIBILITY n. the state of being fungible. |
| INFALLIBILISM | • infallibilism n. A doctrine of the infallibility of a certain person or thing, especially (Roman Catholicism) the doctrine… • infallibilism n. (Epistemology) The theory that belief in a true proposition counts as knowledge only if the proposition… • INFALLIBILISM n. the doctrine of the Pope's infallibility. |
| INFALLIBILIST | • infallibilist n. One who accepts infallibilism (any sense). • INFALLIBILIST n. one who believes in the Pope's infallibility. |
| INFALLIBILITY | • infallibility n. The property of being infallible; the ability to never make a mistake. • INFALLIBILITY n. the state of being infallible. |
| INFEASIBILITY | • infeasibility n. The state of being infeasible or impractical. • INFEASIBILITY n. the state of being infeasible. |
| INFIBULATIONS | • infibulations n. Plural of infibulation. • INFIBULATION n. the act of fastening with ring, clasp or stitches to prevent sexual intercourse. |
| INFLEXIBILITY | • inflexibility n. The quality or state of being inflexible, or not capable of being bent or changed; unyielding stiffness. • INFLEXIBILITY n. the state of being inflexible. |
| PLEBIFICATION | • plebification n. Making plebeian; vulgarizing. • PLEBIFICATION n. making something vulgar or plebeian. |
| UNVITRIFIABLE | • unvitrifiable adj. Not vitrifiable. • UNVITRIFIABLE adj. not vitrifiable. |