Source : Webster's Revised Unabridged Dictionary (1913)

Malinger \Ma*lin"ger\, v. i. [imp. & p. p. {MAlingered}; p. pr.
   & vb. n. {Malingering}.]
   To act the part of a malingerer; to feign illness or
   inability.

Source : WordNet®

malinger
     v : avoid responsibilities and duties, e.g., by pretending to be
         ill [syn: {skulk}]