The term 'in the altogether' is an idiom that means to be completely undressed or unclothed. The crossword solutions for this term include UNCLAD (6 letters), naked (5 letters), BARE (4 letters), nude (4 letters), aunaturel (9 letters), bucknaked (9 letters), starknaked (10 letters), and nakedasajaybird (15 letters). All of these words are synonyms for being unclothed, with some being more informal than others.