The Collaborative International Dictionary of English v.0.48:

Earthly \Earth"ly\, adv.
   In the manner of the earth or its people; worldly.
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         Took counsel from his guiding eyes
         To make this wisdom earthly wise.        --Emerson.
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The Collaborative International Dictionary of English v.0.48:

Earthly \Earth"ly\, a.
   1. Pertaining to the earth; belonging to this world, or to
      man's existence on the earth; not heavenly or spiritual;
      carnal; worldly; as, earthly joys; earthly flowers;
      earthly praise.
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            This earthly load
            Of death, called life.                --Milton.
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            Whose glory is in their shame, who mind earthly
            things.                               --Phil. iii.
                                                  19.
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   2. Of all things on earth; possible; conceivable.
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            What earthly benefit can be the result? --Pope.
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   3. Made of earth; earthy. [Obs.] --Holland.

   Syn: Gross; material; sordid; mean; base; vile; low;
        unsubstantial; temporary; corrupt; groveling.
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WordNet (r) 3.0 (2006):

earthly
    adj 1: of or belonging to or characteristic of this earth as
           distinguished from heaven; "earthly beings"; "believed
           that our earthly life is all that matters"; "earthly
           love"; "our earthly home" [ant: heavenly]