What was the most widely spoken language in ancient Rome?

Latin was the language ancient Rome, but Greek was used by the upper classes who admired Greek culture. Greek was also the first language of the Greek cities in southern Italy (eg Naples was a Greek city nea = new, polis = city).

Greek was also the lingua franca of the east. After the western part of the Roman Empire fell under the weight of the invasions by the Germanic peoples, the eastern part of the empire survived for a millennium. They called themselves Romans but spoke Greek and maintained Greek culture.

As the empire expanded, other peoples had been absorbed, and the languages of the empire included those from Spain, Gaul, Britain, Germany, Israel and so on - dozens of languages and hundreds of dialects.

The language of Rome was Latin. Though, due to Rome's size and diversity of peoples, there would be many other languages from all over Europe and North Africa.

Answer

In Ancient Rome, their first language was Latin, the language that many languages - English, French, Spanish, Italian - descended from. The Roman Empire expanded over many countries, and those it did defeat, it colonised, some Latin Words passed into their language, and remain up until today. Perhaps the most influenced language was the Italian Language, as Rome is in Italy, naturally, most of Ancient Italy were likely Latin speakers.

Answer

The Romans spoke Latin. In the early days of the Roman Empire they spoke Classical Latin. During the reign of Augustus, more of them spoke Greek than Latin. A little later, Latin came back into vogue. By the fourth century Vulgar or common Latin was spoken. It differed from Classical Latin. The languages are similar. Various sounds changed.

Answer

The language of ancient Rome was Latin. Over the centuries, the form of Latin changed from what we now call Old Latin and two forms of Latin developed: Classical Latin and Vulgar Latin. The former was the official language and the language of the educated. The latter was the language of ordinary people and did not have a written form. As more and more Romans settled around the empire it developed into a collection of dialects influenced by the languages of the locals

Answer
Latin ... but many/most of the scholarly class read and wrote Greek
They spoke Latin
they speaked latin and they created alot of other languages i dont know.
They spoke Latin, and some learned Greek from their Greek tutors and slaves.
Latin was the language of ancient Rome, everyone spoke it during, before and after the republic. Greek was also used by the educated.
In Ancient Rome, they most likely spoke Latin, the most popular language of the time, but this is not certain.
they spoke in Latin