Source : Webster's Revised Unabridged Dictionary (1913)

Slow \Slow\, a. [Compar. {Slower}; superl. {Slowest}.] [OE.
   slow, slaw, AS. sl[=a]w; akin to OS. sl?u blunt, dull, D.
   sleeuw, slee, sour, OHG. sl?o blunt, dull, Icel. sl?r, sl?r,
   Dan. sl["o]v, Sw. sl["o]. Cf. {Sloe}, and {Sloth}.]
   1. Moving a short space in a relatively long time; not swift;
      not quick in motion; not rapid; moderate; deliberate; as,
      a slow stream; a slow motion.

   2. Not happening in a short time; gradual; late.

            These changes in the heavens, though slow, produced
            Like change on sea and land, sidereal blast.
                                                  --Milton.

   3. Not ready; not prompt or quick; dilatory; sluggish; as,
      slow of speech, and slow of tongue.

            Fixed on defense, the Trojans are not slow To guard
            their shore from an expected foe.     --Dryden.

   4. Not hasty; not precipitate; acting with deliberation;
      tardy; inactive.

            He that is slow to wrath is of great understanding.
                                                  --Prov. xiv.
                                                  29.

   5. Behind in time; indicating a time earlier than the true
      time; as, the clock or watch is slow.

   6. Not advancing or improving rapidly; as, the slow growth of
      arts and sciences.

   7. Heavy in wit; not alert, prompt, or spirited; wearisome;
      dull. [Colloq.] --Dickens. Thackeray.

   Note: Slow is often used in the formation of compounds for
         the most part self-explaining; as, slow-gaited,
         slow-paced, slow-sighted, slow-winged, and the like.

   {Slow coach}, a slow person. See def.7, above. [Colloq.]

   {Slow lemur}, or {Slow loris} (Zo["o]l.), an East Indian
      nocturnal lemurine animal ({Nycticebus tardigradus}) about
      the size of a small cat; -- so called from its slow and
      deliberate movements. It has very large round eyes and is
      without a tail. Called also {bashful Billy}.

   {Slow match}. See under {Match}.

   Syn: Dilatory; late; lingering; tardy; sluggish; dull;
        inactive.

   Usage: {Slow}, {Tardy}, {Dilatory}. Slow is the wider term,
          denoting either a want of rapid motion or inertness of
          intellect. Dilatory signifies a proneness to defer, a
          habit of delaying the performance of what we know must
          be done. Tardy denotes the habit of being behind hand;
          as, tardy in making up one's acounts.