first-degree

first-degree
ˌfirst-deˈgree adjective [only before noun]
1. first-degree burn a burn that is not very serious
2. first-degree murder American English murder of the most serious type, in which someone deliberately kills someone else ⇨ manslaughter

first-degreeBrE /ˌfɜːst dɪˈɡriː/ 🔊NAmE /ˌfɜːrst dɪˈɡriː/ 🔊 adjective [only before noun] (especially NAmE) ~ murder, assault, robbery, etc. murder, etc. of the most serious kind 一级（谋杀、人身侵犯或抢劫等罪，最严重）~ burns burns of the least serious of three kinds, affecting only the surface of the skin 一度（烧伤）  ➡  compare second-degree, third-degree