惰だ力りょく

noun

inertia; momentum

Physical sense: the tendency of a moving object to keep moving, or a stationary object to stay still. Also used figuratively for the momentum of a situation or activity.

• 車くるまは惰だ力りょくでしばらく進すすんだ。

  The car coasted for a while on its momentum.

• 会かい議ぎは惰だ力りょくで続つづいているだけだ。

  The meeting is just continuing out of inertia.

noun

force of habit

The tendency to continue doing something simply because one has always done it, without conscious thought.

• 惰だ力りょくで毎まい日にち同おなじ道みちを通とおっている。

  Out of force of habit, I take the same route every day.