u ['yü] -n
- the 21st letter of the English alphabet
- a graphic representation of this letter
- a speech counterpart of orthographic u
- a graphic device for reproducing the letter u
- one designated uesp. as the 21st in order or class
- a grade rating a student's work as unsatisfactory
- one graded or rated with a U
- something shaped like the letter U
- unit
- unsymmetrical
- upper
U ['yü] -adj
- characteristic of the upper classes
- unsatisfactory
- uracil
- uranium
UAE -abbr
- United Arab Emirates
ua·ka·ri [wä-'kä-rē] -n
- either of two short-tailed mostly naked-faced So. American monkeys ( Cacajao melanocephalusand C. calvus)
UAR -abbr
- United Arab Republic
UAV [,yü-,ā-'vē] -n
- RPV
UAW -abbr
- United Automobile Workers