first-degree

[ furst-di-gree ]
/ ˈfɜrst dɪˈgri /

adjective

of or relating to the lowest or first in a series.
of or relating to the highest or most serious in a series.

Example sentences from the Web for first-degree

  • Brown was arraigned Wednesday on the charge of first-degree manslaughter, which carries a maximum sentence of 25 years in prison.

    Is She a Killer? |Bryan Curtis |December 30, 2009 |DAILY BEAST