Etymology
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skeletal (adj.)

1849, from skeleton + -al (1). Related: Skeletally.

updated on October 07, 2013

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Definitions of skeletal from WordNet

skeletal (adj.)
of or relating to or forming or attached to a skeleton;
the skeletal system
skeletal bones
skeletal muscles
skeletal (adj.)
very thin especially from disease or hunger or cold;
a nightmare population of gaunt men and skeletal boys
Synonyms: cadaverous / emaciated / gaunt / haggard / pinched / wasted
From wordnet.princeton.edu, not affiliated with etymonline.