blazer

As a noun blazer

is a semi-formal, casual jacket.

As a verb clothe is

to adorn or cover with clothing; to dress; to supply clothes or clothing.

As nouns the difference between blazer and blouson

is that blazer is a semi-formal, casual jacket while blouson is a garment drawn tight at the waist with blousing hanging over the waistband.

As a noun blazer

is a semi-formal, casual jacket.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between blazer and tunic

is that blazer is a semi-formal, casual jacket while tunic is a garment worn over the torso, with or without sleeves, and of various lengths reaching from the hips to the ankles.

As nouns the difference between tux and blazer

is that tux is a tuxedo while blazer is a semi-formal, casual jacket.

As a proper noun Tux

is a cuddly cartoon penguin, the official Linux mascot.