Naked is the same in Spanish as it is in English.
Soy una desnuda = I am a naked woman
I can be naked. (Said by a female.)
The Spanish phrase 'hombres desnudos' literally means 'naked men' in English. One can easily find the direct translation for other Spanish terms on the Google Translate webpage.
Get undressed, take your clothes off.
You spelled it correctly in your question.
estoy desnuda/o
keep seeing him naked then
"Desnudo/a" means "bare" as well as "naked".
gymnospermos
If by that you mean taken naked pictures, yes.
Naked? you mean when he's showering? It makes sense to shower naked or you couldn't wash your naughty bits
Francisco Goya was a Spanish painter and printmaker, famous for The Naked Maja.