In a medieval way.

plural of medieval

The Latin language as spoken and written during the Middle Ages, before it was developed by the Italian humanists into Renaissance Latin.

Middle English.

literature of the Middle Ages; all literary works written in the Middle Ages

Collectively, the continuum of forms of the Greek language as written and spoken during medieval times, preceded by Hellenistic Koine Greek and succeeded by Modern Greek

The study of the Middle Ages.

Alternative form of postmedieval

present participle of get medieval

(intransitive, chiefly US, informal) To become sadistically torturous, especially due to vengeful spite.