of the nature of or involving murder

a murderous deed.

guilty of, bent on, or capable of murder.

extremely difficult, dangerous, or unpleasant

murderous heat.

adjective

easy , facile , pleasant

adjective

arduous , brutal , criminal , cruel , dangerous , deadly , destroying , destructive , devastating , exhausting , fell , ferocious , harrowing , hellish , killing , lethal , ruinous , sapping , savage , strenuous , unpleasant , bloodthirsty , bloody , bloody-minded , cutthroat , homicidal , sanguinary , sanguineous , slaughterous , difficult