adj

• (obsolete or colloquial) Lacking some clothing; clothed only in underwear.
  "For no body would staye to give them intelligence, the countrey people running evry wher out of ther waye, and some of them flying out of ther bedds nacked in their shirts, who runne to the neerest rockes on the sea syde; so formidable was ther very name."
• (obsolete) Unarmed.
  "You an’t even with me yet, ſays ſhe; I ſcorn as much to take up a Sword againſt a Naked Man; as you ought to have ſcorn’d, if you had been a Gentleman, to give the Lie to a Woman."
• (finance, of a derivative contract) Where the writer (seller) does not own the underlying asset to cover the contract.
  "a naked put; a naked call"
• (literary) Lacking resources or means, poor.
  "I knowe my self moost naked in al artes, / My comune ne vulgare eke moost interupte, / And I conversaunte and born in the partes / Where my natyfe langage is moost corrupt, / And with most sundry tonges myxt and rupte."