The point is that new ,the different ,is almost by definition ( scary).

问题描述:

The point is that new ,the different ,is almost by definition ( scary).
翻译为:新异的事物听起来几乎都很吓人.
我不明白括号内的单词应该是scary害怕的意思,怎么可以跟definition连用呢?
definition应该是名词啊,是“定义”的意思是吗?

by definition,固定搭配