crackpot
๐บ๐ธ
/หkrรฆkpษหt/
๐ฌ๐ง
/หkrรฆkpษt/
having very unusual or unreasonable ideas
His crackpot theories about aliens were met with laughter.
a person with very unusual or unreasonable ideas
The professor dismissed the student as a crackpot.