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u

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unoun
orU/ˈjuː/
pluralu'sorU's/ˈjuːz/
u
noun
or U /ˈjuː/
pluralu'sorU's/ˈjuːz/
Learner's definition of U  
: the 21st letter of the English alphabet
[count]
[noncount]
[count]British  : a grade given to a student whose work is judged as not satisfactory
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