Source : Webster's Revised Unabridged Dictionary (1913)

First \First\, adv.
   Before any other person or thing in time, space, rank, etc.;
   -- much used in composition with adjectives and participles.

         Adam was first formed, then Eve.         --1 Tim. ii.
                                                  13.

   {At first}, {At the first}, at the beginning or origin.

   {First or last}, at one time or another; at the beginning or
      end.

            And all are fools and lovers first or last.
                                                  --Dryden.