形容词

1. 不重要的；无意义的；微不足道的
If you describe something or someone as unimportant, you mean that they do not have much influence, effect, or value, and are therefore not worth serious consideration.

1. not important

e.g. a relatively unimportant feature of the system
the question seems unimportant

2. devoid of importance, meaning, or force

Synonym: insignificant