ma ‧ lin ‧ ger /məˈlɪŋɡə $ -ər/ BrE AmE verb [intransitive usually in progressive]
[ Date: 1700-1800 ; Language: French ; Origin: malingre 'sick' , from Old French mal 'badly' + haingre 'thin, weak' ]
to avoid work by pretending to be ill:
He accused Frank of malingering.
—malingerer noun [countable]