adj

• (not comparable) Without clothing or other covering of the skin; without clothing on the genitals or female nipples.
  "Why do you act so prudish whenever you see nude people?"
• (of clothing, makeup, etc., comparable) Of a color (such as beige or tan) that evokes bare flesh.
  "Vanessa always wore the same color on both her hands and feet—Hitchcock Blonde—a barely-there nude color with a dash of pink that was only two shades away from clear topcoat. It was the sort of thing you would imagine Grace Kelly in […]"
• (law, archaic, not comparable) Not valid; void.
  "A void sale is that which can never take effect; in which the articles opposed to each other, or one of them, not bearing any legal value the contract is nude."

noun

• (with article, "the nude") The state of total nudity.
  "she caught him in the nude"