(law) The most severe level of felony, typically involving planning or other aggravating factors.

Synonym of first-degree murder

(law, chiefly US, Canada) The criminal offence of murder in a form considered by law to be the most serious; the precise distinction may vary by jurisdiction but typically involves premeditation, or the choice of victim or other circumstances being regarded as especially blameworthy.

A mild burn that causes redness of the skin but no blistering.

plural of first-degree burn

plural of first-degree murder

A blood relative who shares roughly half a person's DNA, such as a parent, full sibling, or child.

plural of first-degree relative