Wordnet 3.0
ADJECTIVE (2)
1. 
 (of muscles) relieved of stiffness by stretching; 
- Example: "well-stretched muscles are less susceptible to injury"2. 
 extended or spread over a wide area or distance; 
- Example: "broad fields lay stretched on both sides of us"
The Collaborative International Dictionary of English v.0.48:
Stretch \Stretch\, v. t. [imp. & p. p. Stretched; p. pr. & vb.
   n. Stretching.] [OE. strecchen, AS. streccan; akin to D.
   strekken, G. strecken, OHG. strecchen, Sw. str[aum]cka, Dan.
   straekke; cf. AS. straeck, strec, strong, violent, G. strack
   straight; of uncertain origin, perhaps akin to E. strong. Cf.
   Straight.]
   1. To reach out; to extend; to put forth.
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            And stretch forth his neck long and small.
                                                  --Chaucer.
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            I in conquest stretched mine arm.     --Shak.
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   2. To draw out to the full length; to cause to extend in a
      straight line; as, to stretch a cord or rope.
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   3. To cause to extend in breadth; to spread; to expand; as,
      to stretch cloth; to stretch the wings.
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   4. To make tense; to tighten; to distend forcibly.
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            The ox hath therefore stretched his yoke in vain.
                                                  --Shak.
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   5. To draw or pull out to greater length; to strain; as, to
      stretch a tendon or muscle.
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            Awake, my soul, stretch every nerve.  --Doddridge.
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   6. To exaggerate; to extend too far; as, to stretch the
      truth; to stretch one's credit.
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            They take up, one day, the most violent and
            stretched prerogative.                --Burke.
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WordNet (r) 3.0 (2006):
stretched
    adj 1: (of muscles) relieved of stiffness by stretching; "well-
           stretched muscles are less susceptible to injury"
    2: extended or spread over a wide area or distance; "broad
       fields lay stretched on both sides of us"
Moby Thesaurus II by Grady Ward, 1.0:
50 Moby Thesaurus words for "stretched":
   aggrandized, amplified, ballyhooed, disproportionate, dragged out,
   drawn, drawn out, elongated, exaggerated, excessive, exorbitant,
   extended, extravagant, extreme, grandiloquent, high-flown,
   hyperbolic, inflated, inordinate, lengthened, magnified, overdone,
   overdrawn, overemphasized, overemphatic, overestimated, overgreat,
   overlarge, overpraised, oversold, overstated, overstressed,
   overwrought, prodigal, profuse, prolongated, prolonged, protracted,
   puffed, pulled, spun out, straggling, strained, stretched out,
   strung out, superlative, taut, tense, tight, touted