medieval vs. Middle Ages

medieval

[ mee-dee-ee-vuhl, med-ee-, mid-ee-, mid-ee-vuhl ]show ipa

adjective

1. of, pertaining to, characteristic of, or in the style of the Middle Ages: medieval architecture.
2. extremely old-fashioned; primitive.

Middle Ages

plural noun

1. the time in European history between classical antiquity and the Italian Renaissance (from about 500 a.d. to about 1350): sometimes restricted to the later part of this period (after 1100) and sometimes extended to 1450 or 1500.