Undergarment (4)
(Other definitions for slip that I've seen before include "pre-printed form" , "Slide; fielder" , "Minor mistake - undergarment" , "Cricket fielder - mistake" , "Slight mistake" .)
'undergarment' is the definition.
(I know that vest is a type of undergarment)
This is all the clue.
(Other definitions for vest that I've seen before include "Waistcoat (in N. America)" , "Sleeveless garment" , "Upper undergarment, singlet" , "Top" , "Undergarment covering trunk of body" .)
'undergarment' is the definition.
(bra is a kind of undergarment)
This is the entire clue.
(Other definitions for bra that I've seen before include "one carrying chest" , "support" , "Female undergarment" , "I give a couple a lift" , "Chest supporter" .)
'undergarment' is the definition.
(brassiere is a kind of undergarment)
This is all the clue.
(Other definitions for brassiere that I've seen before include "support" , "garment" , "Female undergarment supporter" .)