undress

Etymology

From Middle English undressen, equivalent to un- + dress. Compare Old English unsċrȳdan (“to undress”, literally “un-shroud”).

verb

1. (reflexive) To remove one's clothing.
2. (intransitive) To remove one’s clothing.
   The doctor asked me to undress for the examination.
3. (transitive) To remove the clothing of (someone).
   The young men slowly and sensually undressed each other before making passionate love.
4. (transitive, figurative) To strip of something.
5. To take the dressing, or covering, from.
   to undress a wound

noun

1. (now archaic or historical) Partial or informal dress for women, as worn in the home rather than in public.
2. (now archaic or historical) Informal clothing for men, as opposed to formal or ceremonial wear.
   His undress, and the agitation he was apparently in, which she imputed to the effect of her charms, combined to make him appear more interesting both to the mother and daughter […]. 1791, Charlotte Smith, Celestina, Broadview, published 2004, page 92
3. Now more specifically, a state of having few or no clothes on.
   She returned to her dorm to find her roommate, fresh out of the shower, in a state of undress.