| CURVEBALLING | • curveballing v. Present participle of curveball. • CURVEBALL v. to throw such a ball. |
| INTERFLUVIAL | • interfluvial adj. Between rivers or streams. • INTERFLUVIAL adj. between two rivers flowing in same direction. |
| INTERPLUVIAL | • interpluvial n. (Geology) A period of decreased rainfall. • INTERPLUVIAL n. a period between bouts of rain. |
| INTERVALLUMS | • intervallums n. Plural of intervallum. • INTERVALLUM n. a gap, an interval. |
| INVULNERABLE | • invulnerable adj. Incapable of being injured; not vulnerable. • invulnerable adj. Unanswerable; irrefutable. • INVULNERABLE adj. incapable of being wounded, injured, or harmed, also UNVULNERABLE. |
| INVULNERABLY | • invulnerably adv. In an invulnerable manner. • INVULNERABLE adv. incapable of being wounded, injured, or harmed, also UNVULNERABLE. |
| REVOLUTIONAL | • revolutional adj. (Rare, nonstandard) revolutionary. • REVOLUTIONAL adj. of or like revolution. |
| SURVEILLANCE | • surveillance n. Close observation of an individual or group; person or persons under suspicion. • surveillance n. Continuous monitoring of disease occurrence for example. • surveillance n. (Military, espionage) Systematic observation of places and people by visual, aural, electronic, photographic… |
| SURVEILLANTS | • surveillants n. Plural of surveillant. • SURVEILLANT n. one that exercises surveillance. |
| ULTRAVIOLENT | • ultraviolent adj. Extremely violent; of utmost violence. • ULTRAVIOLENT adj. extremely violent. |
| UNRAVELLINGS | • unravellings n. Plural of unravelling. • UNRAVELLING n. the act of unravelling. |
| UNRELIEVABLE | • unrelievable adj. Not relievable. • UNRELIEVABLE adj. not relievable. |
| UNRESOLVABLE | • unresolvable adj. Not able to be resolved. • UNRESOLVABLE adj. not resolvable. |
| UNRESOLVABLY | • unresolvably adv. In a way that cannot be resolved. |
| UNREVEALABLE | • unrevealable adj. Unable to be revealed. • UNREVEALABLE adj. not revealable. |
| UNVULNERABLE | • unvulnerable adj. Obsolete form of invulnerable. • UNVULNERABLE adj. (Shakespeare) invulnerable. |
| VENTRILOQUAL | • ventriloqual adj. Relating to ventriloquism. • VENTRILOQUAL adj. related to ventriloquy, also VENTRILOQUIAL. |
| VERNACULARLY | • vernacularly adv. In a vernacular way. • VERNACULAR adv. indigenous, native, spoken by the people of the country or of one's own country. |