Definitions

1. noun

A member of a 17th-century English sect who wore their hair short and round, as opposed to the prevailing fashion of wearing long hair.

“The Parliamentarians, including the Roundheads, opposed the king’s rule and fought for the rights of English citizens.”

2. noun

A person who is obstinate or stubborn in their views or opinions.

“His roundhead attitude towards politics made it difficult for him to find common ground with his opponents.”