The most formal military uniform worn by a member of the military for a formal occasion, corresponding to the civilian white tie dress code.

(poker slang) A lowball hand with a seven and a six as the two highest cards / (poker slang) A seven and a six as starting cards in Texas hold 'em

(US, geography) The portion of the United States which is located on the North American continent; the United States exclusive of Hawaii and other overseas territories.

In an unintelligible manner.

Dressed in a uniform. / In an occupation that requires a uniform, such as the police force or military.

simple past tense and past participle of uniform

Laborers are encouraged to unionize or otherwise engage in collective action on a global scale in order to use the strength of their numbers to obtain better conditions.

The support of advocacy of a union, especially of a trade union. / (often capitalised) Support for the North (the Union) during the American Civil War.

(sometimes capitalised) Of or pertaining to unionism (in any sense).

An advocate or supporter of unionism (in any sense). / A trade unionist.