■ adjective the same in all cases and at all times; not varying.
■ noun
1》 the distinctive clothing worn by members of the same organization or body or by children attending certain schools.
↘ informal a police officer wearing a ~.
2》 a code word representing the letter U, used in radio communication.
■ verb make (something) ~.
Derivatives
~ed adjective
~ity noun ( plural ~ities ).
~ly adverb
Origin
C16: from Fr. ~e or L. ~is (see uni- , form ).