Source : Webster's Revised Unabridged Dictionary (1913)

Droll \Droll\, a. [Compar. {Droller}; superl. {Drollest}.] [F.
   dr[^o]le; cf. G. & D. drollig, LG. drullig, D. drol a thick
   and short person, a droll, Sw. troll a magical appearance,
   demon, trolla to use magic arts, enchant, Dan. trold elf,
   imp, Icel. tr["o]ll giant, magician, evil spirit, monster. If
   this is the origin, cf. {Trull}.]
   Queer, and fitted to provoke laughter; ludicrous from oddity;
   amusing and strange.

   Syn: Comic; comical; farcical; diverting; humorous;
        ridiculous; queer; odd; waggish; facetious; merry;
        laughable; ludicrous. -- {Droll}, {Laughable},
        {Comical}. Laughable is the generic term, denoting
        anything exciting laughter or worthy of laughter;
        comical denotes something of the kind exhibited in
        comedies, something humorous of the kind exhibited in
        comedies, something, as it were, dramatically humorous;
        droll stands lower on the scale, having reference to
        persons or things which excite laughter by their
        buffoonery or oddity. A laughable incident; a comical
        adventure; a droll story.