Definitions

1. noun

A person who is foolish, obstinate, or obstreperous; a stubborn person.

“He was known as a bighead in his community for his stubborn refusal to change his opinions.”

2. noun

A fish, especially a carp, with a large head, often seen in stagnant water or slow-moving streams.

“The bighead was a common sight in the polluted lake, its large head visible above the water.”

3. verb

To act or behave foolishly, obstinately, or obstreperously.

“He bigheaded his way through the meeting, refusing to listen to anyone else’s opinions.”