Source : Webster's Revised Unabridged Dictionary (1913)

Impecunious \Im"pe*cu"ni*ous\, a. [L. im- not + pecunia money:
   cf. F. imp['e]cunieux.]
   Not having money; habitually without money; poor.

         An impecunious creature.                 --B. Jonson.

Source : WordNet®

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