malingerer

Ma*lin"ger*er, n. Etym: [F. malingre sickly, weakly, prob. from mal ill + OF. heingre, haingre, thin, lean, infirm, fr. L. aeger.] Defn: In the army, a soldier who feigns himself sick, or who induces or protracts an illness, in order to avoid doing his duty; hence, in general, one who shirks his duty by pretending illness or inability.

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