Source : Webster's Revised Unabridged Dictionary (1913)

Small \Small\ (sm[add]l), a. [Compar. {Smaller}; superl.
   {Smallest}.] [OE. small, AS. sm[ae]l; akin to D. smal narrow,
   OS. & OHG. smal small, G. schmal narrow, Dan. & Sw. smal,
   Goth. smals small, Icel. smali smal cattle, sheep, or goats;
   cf. Gr. mh^lon a sheep or goat.]
   1. Having little size, compared with other things of the same
      kind; little in quantity or degree; diminutive; not large
      or extended in dimension; not great; not much;
      inconsiderable; as, a small man; a small river.

            To compare Great things with small.   --Milton.

   2. Being of slight consequence; feeble in influence or
      importance; unimportant; trivial; insignificant; as, a
      small fault; a small business.

   3. Envincing little worth or ability; not large-minded; --
      sometimes, in reproach, paltry; mean.

            A true delineation of the smallest man is capable of
            interesting the greatest man.         --Carlyle.

Source : WordNet®

smaller
     adj : small or little relative to something else [syn: {littler}]