Shirabe
脱線
Common Noun Irregular Intransitive
English jmdict
1
noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb derailment
The digression is escalating more and more.
2
noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb digression;deviation