Wiktionary
vb. (present participle of peter out English)
Usage examples of "petering out".
The edge of the storm began petering out just before the ship passed the twenty-degree latitude line.
One is quoted as saying: 'He's a walking hard-on, always coming on and usually petering out at the sticking point.
The city was some sixty miles away on the coast, the road petering out into rocky tracks and high hills.
The investigation had dragged on for nearly eighteen months, petering out to nothing in the end.
Lake Baringo was at 3300 feet with mountains towering all round it and only a single track running north, soon petering out into a broken red thread in the vast emptiness of the Rift Valley as it sloped down to Lake Rudolf.
Out into the deserted street, brightly lit for the first hundred yards but then petering out because the inhabitants of those derelict houses on either side were long dead and didn't need to see any more.
This particular school was petering out, but before its final subordination there arose its last and greatest figure in the person of Charles Robert Maturin (1782-1824), an obscure and eccentric Irish clergyman.
The beach stretched away to his left, to Port and Antispinward, petering out in a slender spine 75 kilometres away.