Source : Webster's Revised Unabridged Dictionary (1913)

Singular \Sin"gu*lar\, a. [OE. singuler, F. singulier, fr. L.
   singularius, singularis, fr. singulus single. See {Single},
   a.]
   1. Separate or apart from others; single; distinct. [Obs.]
      --Bacon.

            And God forbid that all a company Should rue a
            singular man's folly.                 --Chaucer.

   2. Engaged in by only one on a side; single. [Obs.]

            To try the matter thus together in a singular
            combat.                               --Holinshed.

   3. (Logic) Existing by itself; single; individual.

            The idea which represents one . . . determinate
            thing, is called a singular idea, whether simple,
            complex, or compound.                 --I. Watts.

   4. (Law) Each; individual; as, to convey several parcels of
      land, all and singular.

   5. (Gram.) Denoting one person or thing; as, the singular
      number; -- opposed to {dual} and {plural}.

   6. Standing by itself; out of the ordinary course; unusual;
      uncommon; strange; as, a singular phenomenon.

            So singular a sadness Must have a cause as strange
            as the effect.                        --Denham.

   7. Distinguished as existing in a very high degree; rarely
      equaled; eminent; extraordinary; exceptional; as, a man of
      singular gravity or attainments.

   8. Departing from general usage or expectations; odd;
      whimsical; -- often implying disapproval or consure.

            His zeal None seconded, as out of season judged, Or
            singular and rash.                    --Milton.

            To be singular in anything that is wise and worthy,
            is not a disparagement, but a praise. --Tillotson.

   9. Being alone; belonging to, or being, that of which there
      is but one; unique.

            These busts of the emperors and empresses are all
            very scarce, and some of them almost singular in
            their kind.                           --Addison.

   {Singular point in a curve} (Math.), a point at which the
      curve possesses some peculiar properties not possessed by
      other points of the curve, as a cusp point, or a multiple
      point.

   {Singular proposition} (Logic), a proposition having as its
      subject a singular term, or a common term limited to an
      individual by means of a singular sign. --Whately.

   {Singular succession} (Civil Law), division among individual
      successors, as distinguished from universal succession, by
      which an estate descended in intestacy to the heirs in
      mass.

   {Singular term} (Logic), a term which represents or stands
      for a single individual.

   Syn: Unexampled; unprecedented; eminent; extraordinary;
        remarkable; uncommon; rare; unusual; peculiar; strange;
        odd; eccentric; fantastic.