Was heißt »römisch« auf Englisch?

Das Adjektiv »römisch« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Antonyme

Does a Roman cat have a Roman meow?
The Roman Empire survived for a thousand years.
The Holy Roman Empire ceased to exist in 1806.
Hong Kong Chinese who know only English as a foreign language never learn the efficient use of the Roman alphabet.
The expansion of the Roman Empire wiped out a considerable number of the original European languages.
He was the last Arch Seneschal of the Holy Roman Empire.
My neighbor found a cache of ancient Roman coins using his metal detector.
I am a Roman citizen.
The Holy Roman Empire came to an end in the year 1806.
I was deeply impressed by Roman architecture.
In the 6th century, the Anglo-Saxons adopted Roman characters.
The Arabic script was replaced by the Roman alphabet.
I'm looking for books on Roman history.
Although 475AD is the year that shows the 'decline' of the Roman Empire, it is not the year of its 'fall'.
Thermae were Roman baths.
Tom found a Roman coin.
Spartacus was a Roman slave.
Every planet, except for Earth, was named for an ancient Roman god or goddess.
Mercury travels around the Sun faster than any other planet. That is how it got its name. It was named after Mercury, the swift messenger of the gods in ancient Roman mythology.
Ceres is named after the Roman goddess of growing plants, harvest, and motherly love.