Source : Webster's Revised Unabridged Dictionary (1913)

Penniless \Pen"ni*less\, a. [From {Penny}.]
   Destitute of money; impecunious; poor. -- {Pen"ni*less*ness},
   n.

Source : WordNet®

penniless
     adj : not having enough money to pay for necessities [syn: {hard
           up}, {impecunious}, {in straitened circumstances(p)}, {penurious},
            {pinched}]