Taxi-cabs are vehicles that are used for transportation purposes. These vehicles are often used by people who need to travel quickly from one location to another. There are several synonyms that can be used to describe taxi-cabs. One common synonym is "cabs". Cabs are also known as taxicabs, and they are used widely in cities and urban areas. Another synonym for taxi-cabs is "taxis". Taxis are a popular mode of transportation for people who want to get around quickly and efficiently. Other synonyms include "hackney carriages" and "black cabs". These terms are often used in the United Kingdom to describe taxi-cabs.