undershirt

As a noun undershirt

is an upper undergarment with no collar, and with short or no sleeves, worn next to the skin under a shirt; a singlet or (british ) a vest.

As an adjective undefined is

lacking a definition or value.

As a noun undershirt

is an upper undergarment with no collar, and with short or no sleeves, worn next to the skin under a shirt; a singlet or (british ) a vest.

As a proper noun west is

the western]] world; the regions, primarily situated in the western [[hemisphere|hemisphere, whose culture is derived from europe.

As nouns the difference between innerwear and undershirt

is that innerwear is clothing worn underneath other clothing, nearer to the skin while undershirt is an upper undergarment with no collar, and with short or no sleeves, worn next to the skin under a shirt; a singlet or (british ) a vest.

As nouns the difference between bra and undershirt

is that bra is a brassiere while undershirt is an upper undergarment with no collar, and with short or no sleeves, worn next to the skin under a shirt; a singlet or (British) a vest.

As nouns the difference between underskirt and undershirt

is that underskirt is a skirt worn underneath another skirt; a petticoat while undershirt is an upper undergarment with no collar, and with short or no sleeves, worn next to the skin under a shirt; a singlet or (British) a vest.

As nouns the difference between taxonomy and undershirt

is that taxonomy is the science or the technique used to make a classification while undershirt is an upper undergarment with no collar, and with short or no sleeves, worn next to the skin under a shirt; a singlet or (British) a vest.

As nouns the difference between onesie and undershirt

is that onesie is a one-piece garment for an infant or small child, generally worn over a diaper while undershirt is an upper undergarment with no collar, and with short or no sleeves, worn next to the skin under a shirt; a singlet or (British) a vest.