Source : Webster's Revised Unabridged Dictionary (1913)

Vague \Vague\ (v[=a]g), a. [Compar. {Vaguer} (v[=a]g"[~e]r);
   superl. {Vaguest}.] [F. vague, or L. vagus. See {Vague}, v.
   i.]
   1. Wandering; vagrant; vagabond. [Archaic] ``To set upon the
      vague villains.'' --Hayward.

            She danced along with vague, regardless eyes.
                                                  --Keats.

   2. Unsettled; unfixed; undetermined; indefinite; ambiguous;
      as, a vague idea; a vague proposition.

            This faith is neither a mere fantasy of future
            glory, nor a vague ebullition of feeling. --I.
                                                  Taylor.

            The poet turned away, and gave himself up to a sort
            of vague revery, which he called thought.
                                                  --Hawthorne.

   3. Proceeding from no known authority; unauthenticated;
      uncertain; flying; as, a vague report.

            Some legend strange and vague.        --Longfellow.

   {Vague year}. See {Sothiac year}, under {Sothiac}.

   Syn: Unsettled; indefinite; unfixed; ill-defined; ambiguous;
        hazy; loose; lax; uncertain.