adjective in·faust \ə̇nˈfau̇st, -ˈfȯst\

Definition of infaust

  1. :  not favorable :  unlucky, unpropitious

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Origin and Etymology of infaust

French or Latin; French infauste, from Latin infaustus, from in- 1in- + faustus lucky; akin to Latin favēre to be favorable — more at favor

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to cast off or become cast off

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