| unfair |
violating accepted standards of fairness or just treatment. [2 definitions] |
| unfamiliar |
not previously experienced or known; unusual; strange. [2 definitions] |
| unfasten |
to release from fastenings; untie; undo; separate. [2 definitions] |
| unfold |
to open or spread out from a folded condition. [4 definitions] |
| unfortunate |
suffering from adverse luck; unlucky. [4 definitions] |
| unfortunately |
a word used to express that an event being talked about is something unlucky or something that turned out badly. |
| unfriendly |
aloof, unpleasant, or hostile to others. [2 definitions] |
| unhappy |
not glad or cheerful; sad; gloomy. [4 definitions] |
| unhealthy |
in bad health; ill; sickly. [4 definitions] |
| unheard-of |
never known about before; unprecedented or unknown. [2 definitions] |
| uni- |
single; one. |
| unicorn |
a mythical animal having the body of a horse and a single horn projecting from its forehead. |
| uniform |
unvarying; consistent. [5 definitions] |
| uniform resource locator |
an address identifying the location of a file on the Internet, commonly called a "URL." A uniform resource locator, or URL, consists of the computer on which the file is located and the file's location on that computer. |
| unify |
to bring together into a single unit or entity; unite. [2 definitions] |
| unimportant |
of no meaning or value; not important. [2 definitions] |
| uninhabited |
not lived in, esp. by humans. |
| uninterested |
having no interest; paying no heed; indifferent. |
| union |
the act of uniting. [6 definitions] |
| unique |
being the only one of its type; sole; single. [5 definitions] |
| unison |
(prec. by "in") the simultaneous sounding of voices, or of musical tones in the same pitch or in octaves. [2 definitions] |