courageousness 

英汉解释

n. 勇敢；无畏

同义词

n. braveness，bravery，courage

反义词

n.   cowardice，cowardliness

参考例句

1. I have received a call from Rev. Samuel Cheung and deeply moved by his firm and courageousness words.
今天收到张牧师的电话，他那确定和激动的话很感动我们。
2. Medieval nobles regarded the martial arts competition as their career and duty because it revealed the values they pursued, i. e. honor, courageousness, and generosity.
中世纪贵族把比武视为其事业和必须履行的责任；比武揭示了中世纪贵族对荣誉、英勇、慷慨品质追求的价值观念。

英英解释

n.
  1. a quality of spirit that enables you to face danger or pain without showing fear

网络释义

courageousness
勇敢;