(third-person singular simple present grinds to a halt, present participle grinding to a halt, simple past and past participle ground to a halt)
- (idiomatic, intransitive, of a productive activity) Coming to a standstill, or ceasing to be productive or make progress, due to an obstacle.
- Work on the new high-rise ground to a halt as contractor tried to deal with all the red tape.
- After the visionary's death, work on his ideas ground to a halt.
From windmills, where when the wind stops blowing the grinding of wheat into flour would stop.