\ ˈyü
\
\
plural u's or us\
ˈyüz
\
\
Definition of u
(Entry 1 of 5)
1a
: the 21st letter of the English alphabet
b
: a graphic representation of this letter
c
: a speech counterpart of orthographic u
2
: a graphic device for reproducing the letter u
3
: one designated u especially as the 21st in order or class
4
[abbreviation for unsatisfactory]
a
: a grade rating a student's work as unsatisfactory
b
: one graded or rated with a U
5
: something shaped like the letter U
Definition of u (Entry 2 of 5)
\ ˈyü
\
\
Definition of U (Entry 3 of 5)
: characteristic of the upper classes
Definition of U (Entry 4 of 5)
1
unsatisfactory
2
uracil
U
symbolDefinition of U (Entry 5 of 5)
uranium
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More Definitions for u
u
noun
English Language Learners Definition of u
: the 21st letter of the English alphabet
British
: a grade given to a student whose work is judged as not satisfactory
See the full definition for u in the English Language Learners Dictionary
\ ˈyü \
plural u's or us\
ˈyüz
\
Kids Definition of u
1
: the 21st letter of the English alphabet
2
: a grade rating a student's work as unsatisfactory
Medical Definition of U
(Entry 1 of 2)
uracil
U
symbolMedical Definition of U (Entry 2 of 2)
uranium
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Merriam-Webster unabridged
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Time Traveler for u
The first known use of u was before the 12th century
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