irrational in a sentence

Definition

IRRATIONAL: not based on reason or logic; exhibiting a lack of sound judgment or understanding.

His fear of flying is often described as irrational, considering the safety statistics of air travel.
The decision to invest heavily in the failing business seemed irrational to most analysts.
In an emotional argument, she made several irrational claims that lacked any factual basis.
It can be challenging to reason with someone who holds irrational beliefs despite clear evidence to the contrary.
The irrational behavior of the crowd during the event led to chaos and confusion among the organizers.