Irrational [adjective]

You have to strike a balance where you’re not telling people that what they’re saying is irrational, silly, crazy.

It’s possible that today’s market is an indication of things to come, where fundamentals play a larger part in valuations, as opposed to the irrational exuberance that has persisted in recent months within tech.

John Coates, a Wall Street trader turned neuroscientist, considers the molecule of “irrational exuberance” in The Hour Between Dog and Wolf.

Primarily, this problem is a byproduct of “irrational exuberance” in the early 2000s and the use of public sector banks by successive governments to propel the economy.

Only a few months ago, this type of behavior would have been considered excessive, irrational, even pathological, and certainly not healthy.

He was, I knew, a deep, thinly-covered tank of resentments and quite irrational moral rages.

Suddenly my irrational complaint was silenced as certain words of Saint Paul to the Corinthians reverberated in my mind.

Animals, irrational animals, had told the secret, and birds of the air had carried the matter.

It seemed to me that he was foolish and irrational, altogether unlike himself.

It is an irrational practice, even when adopted by military tribunals.