med‧i‧e‧val W3 , mediaeval / mediiv ə l◂ $ mi- / 形容词

1 connected with the Middle Ages (= the period between about 1100 and 1500 AD ) :

These spices were first brought to Italy from the East in medieval times.

a medieval castle

2 very old or old-fashioned – used in a humorous or disapproving way :

The plumbing in this house is positively medieval!