1. Godan verb with 'ru' ending, Intransitive verb

   1.

   to be involved (in); to get involved (in); to concern oneself (with); to take part (in)

2. 2.

   to relate to (a matter); to pertain to; to concern; to have to do with

3. 3.

   to (seriously) affect; to concern; to have a serious bearing (on)

Example sentences

• 係わることを真剣に考えていますか？

  Are you seriously thinking about becoming involved?

• 虫歯を侮ると命に係わる場合もあるのです。

  Making light of cavities can be a matter of life and death.