To dwindle, diminish, or fade away; to become fainter or weaker. His campaign started really strong, but public support for the candidate tailed off following a series of scandals. The lights on the car began tailing off into the blackness of the night, leaving me alone in the empty field. He started talking about the tax code, but he tailed off when he realized no one was listening.

To follow along after someone or something, especially in a diligent, dutiful, or persistent manner. We set out on our hike for the day with the three kids tailing after us. I tailed after the suspect for nearly four hours to figure out where he was stashing the stolen goods. Jimmy idolizes his big brother, always tailing after him wherever he goes.

To dwindle, diminish, or fade away; to become fainter or weaker. He started talking about the tax code, but he tailed away when he realized no one was listening. The music from the radio tailed away as the car drove off. Once famous for creating a huge range of innovative devices, the company's ideas seem to have started tailing away in recent years.

To flow into, converge with, or connect to something by or at the end. The financial presentation tailed into a discussion about possible ways of boosting revenue. The iconic river winds its way through the center of the city, eventually tailing into the harbor that was once the country's primary point of commerce. The coffee starts with an intense caramel flavor that tails into that of dark chocolate.

To dwindle, diminish, or fade down; to become weaker, smaller, or less active. As is typical, shares for the company began to tail down shortly after the massive spike yesterday. After the number of applicants continued tailing down year after year, the competition launched a huge marketing campaign to spark new interest in the public.

To lead away from something like a tail. The venue already had a huge line of people tailing out an hour after tickets went up for sale. The string of controversies that has tailed out of this administration is shameful.

Of a vehicle, for its rear to slide erratically from side to side on the road (likened to a fish's tail moving back and forth). The roads are pretty icy today, and I saw a couple of cars fishtail coming around that corner.