The phrase "ancient style" is correct and usable in written English.
You can use it to describe objects or concepts with characteristics that have been around for a long time. For example, "The tapestry was crafted in an ancient style that has been around for centuries."
He favoured those who wrote in the "ancient style" but failed those who employed literary embellishments.
"He produced Judaica in the medieval and ancient style, modern renderings of antiquities.
Well, they should parade, in authentic ancient style, stark-naked – with Boris and other luminaries leading the way.
It plays an ancient style called pizzica tarantata: ritual healing songs driven by speedy, triple-time tambourines and declaimed in sharp-toned voices.
The others were Fujiwara Yukinari and Fujiwara Sukemasa, and the three perfected the style of writing called jōdai-yō ("ancient style").
Four masters, collectively known as the "Four Wangs," rose to preeminence by embracing the "ancient" style of brushwork paintings developed during the Song and Yuan dynasties.
Some ancient styles have died out.
And he shows us cups, pourers and shakers in red clay, shaped in ancient styles.
The art is a compendium of ancient styles, from India, Persia and Gandhara, where Greco-Roman-inspired traditions survived.
The ancient styles that prevailed in the Philippines were modified by the conversion of various groups the Moro people, especially to Islam in the 15th 16th centuries.
Modern and ancient styles come together at Kanazawa's train station, which was revamped in 2005 to include a colossal glass-and-steel dome fronted by an equally large and impressive traditional wooden gate.
