insignificant

形容词 insignificant:

1. not large enough to consider or notice
   同义词：trivial
2. not worthy of notice
   同义词：undistinguished
3. signifying nothing- R.B. Pearsall
   同义词：unmeaning
4. of little importance or influence or power; of minor status
   同义词：peanut
5. not important or noteworthy
   同义词：unimportant

1. An unimportant or insignificant thing; a trifle.
   琐事不重要的或无关紧要的事情; 琐事
2. It is a waste of time to listen to his insignificant talk.
   听他那些废话纯属浪费时间。
3. His hometown is an insignificant city on the map.
   他的家乡只是地图上一个不起眼的小城。

in.sig.nif.i.cant

adj.（形容词）
Not significant, especially:
不重要的，特别是：
Lacking in importance; trivial.
缺乏重要性的；微小的
Lacking power, position, or value; worthy of little regard.
缺少力量、职位或价值的；不值得一提的
Small in size or amount.
体积或数量小的
Having little or no meaning.
几乎无意义或毫无意义的

【引伸】
in.signif.icantly
adv.（副词）