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1. semi-formal
Wearing slacks and a button down shirt. No need for a jacket or tie.
I'm glad this party is a semi-formal party, I can't afford a jacket or a tie!
2. Semi-Formal
A type of shirt with a tie,tuxedo,bowtie,etc. printed on the front so as to appear important looking
nah, its printed on, goin' semi-formal today
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