Source : Webster's Revised Unabridged Dictionary (1913)

Clean \Clean\, a. [Compar. {Cleaner}; superl. {Cleanest}.] [OE.
   clene, AS. cl?ne; akin to OHG. chleini pure, neat, graceful,
   small, G. klein small, and perh. to W. glan clean, pure,
   bright; all perh. from a primitive, meaning bright, shining.
   Cf. {Glair}.]
   1. Free from dirt or filth; as, clean clothes.

   2. Free from that which is useless or injurious; without
      defects; as, clean land; clean timber.

   3. Free from awkwardness; not bungling; adroit; dexterous;
      as, aclean trick; a clean leap over a fence.

   4. Free from errors and vulgarisms; as, a clean style.

   5. Free from restraint or neglect; complete; entire.

            When ye reap the harvest of your land, thou shalt
            not make clean riddance of corners of thy field.
                                                  --Lev. xxiii.
                                                  22.

   6. Free from moral defilement; sinless; pure.

            Create in me a clean heart, O God.    --Ps. li. 10

            That I am whole, and clean, and meet for Heaven
                                                  --Tennyson.

   7. (Script.) Free from ceremonial defilement.

   8. Free from that which is corrupting to the morals; pure in
      tone; healthy. ``Lothair is clean.'' --F. Harrison.

   9. Well-proportioned; shapely; as, clean limbs.

   {A clean bill of health}, a certificate from the proper
      authority that a ship is free from infection.

   {Clean breach}. See under {Breach}, n., 4.

   {To make a clean breast}. See under {Breast}.