falter

The men heard a crackle in their headsets as the radio signal to Mission Control faltered and then failed.

William didn't falter when asked about his children and about what kind of king he wants to be.

After New Zealand invested heavily and late in the last cycle to turn around a faltering Black Ferns side and lift the trophy, is there a template emerging?

In a 5-4 extra-innings win over the Arizona Diamondbacks that lowered their magic number to clinch the National League West to one, the Dodgers again squandered a late-game lead when their traditional relievers faltered.

"For Charlie, we will never shrink, we will never cower, and we will never falter, even when we are staring down the barrel of a gun."