undersea - podmořský
BrE
/'ʌndəsi:/
AmE
/'ʌndərsi:/

adjective - happening under the sea

 
undiscovered - neobjevený
BrE
/ʌndɪs'kʌvəd/
AmE
/ʌndɪs'kʌvərd/

adjective - not discovered or not found

 
unwary - neopatrný
BrE
/ʌn'weəri/
AmE
/ʌn'weri/

adjective - not knowing about a risk, not careful

 
unafraid - nebojácný, bez starosti, beze strachu
BrE
/ˌʌnə'freɪd/
AmE
/ˌʌnə'freɪd/

adjective - without fear

 
untidiness - neupravenost, nepořádek, neuklizenost
BrE
/ʌn'taɪdɪnəs/
AmE
/ʌn'taɪdɪnəs/

noun - an untidy state

 
urgently - naléhavě, urgentně, spěšně
BrE
/'ɜ:dʒəntli/
AmE
/'ɜ:rdʒəntli/

adverb - immediately

 
unwillingness - neochota
BrE
/ʌn'wɪlɪŋnəs/
AmE
/ʌn'wɪlɪŋnəs/

noun - the state of not wanting to do something that is asked of you

 
undoubtedly - bezpochyb, nepochybně
BrE
/ʌn'daʊtɪdli/
AmE
/ʌn'daʊt̬ɪdli/

adverb - without question, without doubt

 
unsuccessful - neúspěšný
BrE
/ˌʌnsək'sesfl/
AmE
/ˌʌnsək'sesfl/

adjective - not successful

 
union - unie
BrE
/'ju:niən/
AmE
/'ju:nɪən/

noun - a group of states that form one country

unanimous
unanimous - jednomyslný, jednohlasný
BrE
/ju:'nænɪməs/
AmE
/ju:'nænɪməs/

adjective - agreed by all people

 
utopia - utopie
BrE
/ju:'təʊpɪə/
AmE
/ju:'toʊpiə/

noun - an imaginary or fictional city or country, where everything is perfect

 
used - zvyklý
BrE
/'ju:st/
AmE
/'ju:st/

adjective - accustomed to something

 
unease - špatný pocit
BrE
/ʌn'i:z/
AmE
/ʌn'i:z/

noun - an uncomfortable feeling

 
update - aktualizovat
BrE
/ˌʌp'deɪt/
AmE
/ˌʌp'deɪt/

verb - to include latest information in something (a report, website etc.)