omissive

形容词 omissive:

1. characterized by omissions

o.mis.sive

adj.（形容词）
Characterized by omission or omitting:
省略的，疏忽的：以疏忽或省略为特征的：
例句：
omissive crimes; was omissive of responsibility.
因疏漏而犯下的罪；不太负责任