Definition of U
-
(noun) the 21st letter of the Roman alphabet
-
(noun) a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
-
(noun) a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
-
(adjective satellite) (chiefly British) of or appropriate to the upper classes especially in language use
Synonyms of U
No Synonyms Found.
Antonyms of U
No Antonyms Found.