Dictionary
1u
noun, often capitalized often attributive \ˈyü\
: the 21st letter of the English alphabet
: a grade given to a student whose work is judged as not satisfactory
plural u's or us \ˈyüz\
Full Definition of U
1
a : 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
See u defined for English-language learners
See u defined for kids
First Known Use of U
before 12th century
Rhymes with U
blue, boo, brew, chew, clew, clue, coo, coup, crew, cue, dew, do, doux, due, ewe, few, flu, flue, fou, glue, gnu, goo, hew, hue, Jew, Koo, lieu, loo, mew, moo, moue, mu, new, nu, ooh, pew, phew, pooh, q, queue, roux, rue, screw, shoe, shoo, shrew, Sioux, skew, slew, slough, slue, smew, sou, sous, spew, sprue, stew, strew, sue, Sue, thew, through, to, too, true, two, view, whew, who, woo, xu, yew, you, zoo
2u
abbreviation
Definition of U
1
unit
2
unsymmetrical
3
upper
1U
adjective \ˈyü\
Definition of U
: characteristic of the upper classes
Origin of U
upper class
First Known Use: 1954
2U
abbreviation
Definition of U
1
unsatisfactory
2
uracil
3U
symbol
Definition of U
uranium
U Defined for Kids
u
noun , often cap \ˈyü\
plural u's or us \ˈyüz\
Definition of U for Kids
1
: the 21st letter of the English alphabet
2
: a grade rating a student's work as unsatisfactory
Learn More About U
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