USA
USA - Spojené Státy Americké
BrE
/'ju:'es'eɪ/
AmE
/'ju:'es'eɪ/

noun - a federation of 50 states, the capital is Washington DC

 
unaware - nevědomý (si), netušící
BrE
/ˌʌnə'weə/
AmE
/ˌʌnə'wer/

adjective - not knowing about something

 
underneath - pod, dole pod
BrE
/ˌʌndə'ni:θ/
AmE
/ˌʌndər'ni:θ/

preposition - under, below

 
unselfish - nesobecký, obětavý, nezištný
BrE
/ʌn'selfɪʃ/
AmE
/ʌn'selfɪʃ/

adjective - not selfish

unhealthy
unhealthy - nezdravý
BrE
/ʌn'helθi/
AmE
/ʌn'helθi/

adjective - not healthy

useless
useless - k ničemu, neužitečný, zbytečný
BrE
/'ju:sləs/
AmE
/'ju:sləs/

adjective - having no use, being good for nothing

 
usual - obvyklý
BrE
/'ju:ʒəl/
AmE
/'ju:ʒʊəl/

adjective - common, happening regularly

 
user - uživatel
BrE
/'ju:zə/
AmE
/'ju:zər/

noun - a person who uses something

use
use - užitek, použití
BrE
/'ju:s/
AmE
/'ju:s/

noun - the purpose or reason of something, the act of doing something with an object etc.

 
us - nás, nám, námi
BrE
/'ʌs/
AmE
/'ʌs/

pronoun - object pronoun for 1st person plural

 
urgent - naléhavý, urgentní, spěšný
BrE
/'ɜ:dʒənt/
AmE
/'ɜ:rdʒənt/

adjective - needing to be dealt with immediately

Uranus
Uranus - Uran (planeta)
BrE
/'jʊərənəs/
AmE
/jʊ'reɪnəs/

noun - the seventh planet of the solar sytem

upstairs
upstairs - do patra, po schodech nahoru, v patře
BrE
/ʌp'steəz/
AmE
/ʌp'sterz/

adverb - to the upper floor of a house

upside down
upside down - vzhůru nohama
BrE
/ˌʌpsaɪd'daʊn/
AmE
/ˌʌpsaɪd'daʊn/

adverb - with the top turned to the bottom

 
upset - podráždit
BrE
/ʌp'set/
AmE
/ʌp'set/

verb - to make somebody ill in the stomach