From Longman Dictionary of Contemporary Englishundressedun‧dressed /ˌʌnˈdrest◂/ adjective 1 [not before noun]NAKED not wearing any clothes He started to get undressed (=to take his clothes off).2 MIan undressed wound has not been covered to protect it
Examples from the Corpus
undressed• When you're undressed, the nurse will come back and explain the procedure.get undressed• He seemed preoccupied, hardly looking at her as he got undressed.• I betook myself to bed in some exasperation, and without really bothering to get undressed.• She smiled, and began to get undressed.• I got undressed and lay on the bed.• She got undressed and went to bed.• Haley refused to get undressed in front of the doctor. 