| EQUIFINALLY | • EQUIFINAL adv. having the same result. |
| FIANCAILLES | • FIANCAILLES n. (French) betrothal. |
| 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. |
| FIREWALLING | • firewalling v. Present participle of firewall. • FIREWALL v. to install software that protects a network against unauthorized users. |
| FRINGILLINE | • fringilline adj. (Zoology) Pertaining to the family Fringillidae, the true finches. • FRINGILLINE adj. relating to the finches. |
| HELILIFTING | • helilifting v. Present participle of helilift. • HELILIFT v. to transport by helicopter. |
| INFALLIBLES | • infallibles n. Plural of infallible. • INFALLIBLE n. one incapable of failure. |
| INFERTILELY | • infertilely adv. In an infertile manner. • INFERTILE adv. not fertile, also UNFERTILE. |
| INFLEXIONAL | • inflexional adj. Alternative spelling of inflectional. • INFLEXIONAL adj. relating to inflexion, also INFLECTIONAL. |
| INFLICTABLE | • inflictable adj. Able to be inflicted. • INFLICTABLE adj. that can be inflicted. |
| INFLUENTIAL | • influential adj. Having or exerting influence. • influential n. A person who has influence. • INFLUENTIAL adj. having great influence. |
| OVERFILLING | • overfilling v. Present participle of overfill. • OVERFILL v. to fill to overflowing. |
| PILFERINGLY | • pilferingly adv. By pilfering or stealing; thievingly. • PILFERINGLY adv. PILFERING. |
| SILDENAFILS | • SILDENAFIL n. a drug used to enhance erectile function. |
| STELLIFYING | • stellifying v. Present participle of stellify. • STELLIFYING n. the act of turning into star. |