[dark.en] vb dark.ened ; dark.en.ing vi (14c) 1: to grow dark: become obscured
2: to become gloomy ~ vt 1: to make dark
2: to make less clear: obscure "the financial crisis ~ed the future of the company"
3: taint, tarnish
4: to cast a gloom over
5: to make of darker color -- dark.en.er n