"undressed" in the verb sense
1. undress, discase, uncase, unclothe, strip, strip down, disrobe, peel
"please don't undress in front of everybody!"
"She strips in front of strangers every night for a living"
2. 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"
"undressed" in the adjective sense
of lumber or stone or hides not finished or dressed
2. unappareled, unattired, unclad, undressed, ungarbed, ungarmented
having removed clothing
Source: WordNet® (An amazing lexical database of English)
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