Order by: alphabetical | chronological
| Word | Definition |
|---|---|
| uptime adj. (1978) | esp. in time-travel contexts: in or from the future; cf. downtime adj. |
| uptime adv. (1972) | esp. in time-travel contexts: in, into, or toward the future; cf. downtime adv. |
| Uranian n. (1834) | a native or inhabitant of Uranus |
| urban fantasy n. (1978) | a genre of fantasy that uses a city as its primary setting; a work in this genre |
| utopia n. (No cites) | a place, state, or condition ideally perfect in respect of politics, laws, customs, and conditions |
| utopian n. (No cites) | one who conceives, proposes, or introduces schemes supposed or intended to bring about improved or perfect social and political conditions, etc.; an advocate of social reform |
| utopian adj. (1981) | possessing or regarded as having impossibly or extravagantly ideal conditions in respect of politics, customs, social organization, etc. |
| utopic adj. (No cites) | that embodies or proposes utopian ideals |
| vacsuit n. (1942) | = vacuum suit n. |
| vacsuited adj. (1993) | = vacuum-suited adj. |
| vacuum suit n. (1926) | = space suit n. |
| vacuum-suited adj. (1947) | wearing a vacuum suit n. |
| vape v. (1983) | to vaporize by means of a weapon; to destroy completely, annihilate |
| Vegan n. (1932) | a native or inhabitant of the solar system of the star Vega |
| Vegan adj. (1940) | of or pertaining to the star Vega, or the natives or inhabitants of its solar system |
| Venerian n. 1 (1919) | a native or inhabitant of Venus; Venusian n. |
| Venerian n. 2 (1948) | the language of Venusians |
| Venerian adj. (1919) | pertaining to Venus or Venusians; Venustian adj. |
| Venusian n. (1874) | a native or inhabitant of the planet Venus; also, the language spoken by such a being |
| Venusian adj. (1874) | of, pertaining to, or characteristic of the planet Venus or its inhabitants |
| Vernean adj. (1883) | of, pertaining to, or characteristic of the science fiction of Jules Verne |
| -verse suffix (1985) | (used to form nouns denoting the fictional universe used as the setting of a series, typically in combination with the title, main character, or creator of the series) |
| vessel n. (1900) | a spaceship |
| vibroblade n. (1940) | a weapon or tool having a blade that vibrates rapidly |
| vibroknife n. (1973) | = vibroblade n. |
| vidcall n. (1953) | a call made on a videophone n. |
| videophone n. (1928) | a telephone system that transmits video as well as audio; a telephone that incorporates a video screen on which the other party may be seen |
| videophone v. (1945) | to call or speak to via videophone n.; to make a call on a videophone n. |
| videophonic adj. (1949) | related to videophones or their use |
| vidscreen n. (1953) | a screen capable of displaying a visual image; (also) a videophone n. |