If a reason, idea, opinion, etc. is inconsistent, different parts of it do not agree, or it does not agree with something else.

These findings are inconsistent with those of previous studies. 这些研究结果与以前的不一致。

not staying the same in behaviour or quality

The teacher said that Alex's schoolwork was very inconsistent. 老师说亚历克斯的功课时好时坏。

Problems arise if the parents' approach to discipline is inconsistent. 如果家长对孩子的管束时宽时严就会出现问题。