undress -- (partial or complete nakedness; "a state of undress")
Overview of verb undress
The verb undress has 2 senses
undress, discase, uncase, unclothe, strip, strip down, disrobe, peel -- (get undressed; "please don't undress in front of everybody!"; "She strips in front of strangers every night for a living")
strip, undress, divest, disinvest -- (remove (someone's or one's own) clothes; "The nurse quickly undressed the accident victim"; "She divested herself of her outdoor clothes"; "He disinvested himself of his garments")