the.com/undress
The reverse of getting ready, performed with varying degrees of dignity.
means To remove clothing, whether your own or someone else's, deliberately or for sleep.
from From the prefix 'un-' (to reverse) bolted onto 'dress,' which traces to Old French 'dresser,' to arrange or set right — so undressing is literally the un-arranging of yourself.
Military sense'Undress uniform' means casual, not naked.
Old meaningOnce meant removing dressings from a wound.
State of'In a state of undress' is polite for half-clothed.