inconsequential

形容词 inconsequential:

1. lacking worth or importance
   同义词：inconsequent
2. not following logically as a consequence

1. Something that is particularly small, light, or inconsequential.
   无足轻重的东西非常小、轻或不重要的东西
2. Something small, trivial, or inconsequential.
   琐事小的、轻的或不重要的事

in.con.se.quen.tial

adj.（形容词）
Lacking importance.
无关紧要的
Not following from premises or evidence; illogical.
不合理的：与前提或证据不符合的；不合逻辑的
n.（名词）
A triviality.
无关紧要的事物

【引伸】
incon.sequen.tial.ity
incon.sequen.tially
adv.（副词）