脇わき道みち

noun, noun which may take the genitive case particle 'no'

side road; byroad

A smaller road branching off from a main road; often used literally.

• 大おお通どおりから脇わき道みちに入はいると、急きゅうに静しずかになった。

  When we turned off the main street onto a side road, it suddenly became quiet.

noun, noun which may take the genitive case particle 'no'

digression; tangent

Figurative use: straying from the main topic in a conversation or argument.

• 話はなしが脇わき道みちにそれてしまった。

  The conversation went off on a tangent.