The Collaborative International Dictionary of English v.0.48:

Clear \Clear\ (kl[=e]r), a. [Compar. Clearer (-[~e]r); superl.
   Clearest.] [OE. cler, cleer, OF. cler, F. clair, fr.L.
   clarus, clear, bright, loud, distinct, renowned; perh. akin
   to L. clamare to call, E. claim. Cf. Chanticleer,
   Clairvoyant, Claret, Clarify.]
   1. Free from opaqueness; transparent; bright; light;
      luminous; unclouded.
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            The stream is so transparent, pure, and clear.
                                                  --Denham.
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            Fair as the moon, clear as the sun.   --Canticles
                                                  vi. 10.
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   2. Free from ambiguity or indistinctness; lucid; perspicuous;
      plain; evident; manifest; indubitable.
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            One truth is clear; whatever is, is right. --Pope.
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   3. Able to perceive clearly; keen; acute; penetrating;
      discriminating; as, a clear intellect; a clear head.
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            Mother of science! now I feel thy power
            Within me clear, not only to discern
            Things in their causes, but to trace the ways
            Of highest agents.                    --Milton.
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   4. Not clouded with passion; serene; cheerful.
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            With a countenance as clear
            As friendship wears at feasts.        --Shak.
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   5. Easily or distinctly heard; audible; canorous.
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            Hark! the numbers soft and clear
            Gently steal upon the ear.            --Pope.
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   6. Without mixture; entirely pure; as, clear sand.
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   7. Without defect or blemish, such as freckles or knots; as,
      a clear complexion; clear lumber.
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   8. Free from guilt or stain; unblemished.
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            Statesman, yet friend to truth! in soul sincere,
            In action faithful, and in honor clear. --Pope.
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   9. Without diminution; in full; net; as, clear profit.
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            I often wished that I had clear,
            For life, six hundred pounds a-year.  --Swift
      .
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   10. Free from impediment or obstruction; unobstructed; as, a
       clear view; to keep clear of debt.
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             My companion . . . left the way clear for him.
                                                  --Addison.
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   11. Free from embarrassment; detention, etc.
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             The cruel corporal whispered in my ear,
             Five pounds, if rightly tipped, would set me clear.
                                                  --Gay.
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   Clear breach. See under Breach, n., 4.

   Clear days (Law.), days reckoned from one day to another,
      excluding both the first and last day; as, from Sunday to
      Sunday there are six clear days.

   Clear stuff, boards, planks, etc., free from knots.

   Syn: Manifest; pure; unmixed; pellucid; transparent;
        luminous; obvious; visible; plain; evident; apparent;
        distinct; perspicuous. See Manifest.
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