irrationally
Americanadverb
-
in a way that is contrary to reason or is not sensible; illogically.
In firing a highly competent CEO without cause, the Board acted unlawfully, unreasonably, and irrationally.
Stick to your simple calculation and logic, even when markets are behaving irrationally.
-
in a way that is driven by impulse or instinct rather than reason; without having or being able to use the faculty of reason.
When a reporter started poking around, the suspect began acting irrationally and took off like a wild animal.
Other Word Forms
- nonirrationally adverb
Etymology
Origin of irrationally
First recorded in 1640–50; irrational ( def. ) + -ly ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But Jacobs also said that “it is incredibly important to be disciplined on price” and that the company won’t “fall irrationally in love with any particular company.”
From Barron's
If investors react impulsively, the people who benefit will be the professionals: the hedge funds, proprietary traders, and algorithmic funds who already dominate pre- and postmarket trading and can take advantage of irrationally priced assets.
From Barron's
But it’s getting harder to deny that the AI trade isn’t looking “irrationally exuberant,” if you will.
From Barron's
"The rational world is behaving irrationally by giving him this welcome," she said.
From BBC
Tom Cross KC, barrister for the two women, told the court that in deciding the clinic should continue to be registered, "the CQC has acted irrationally".
From BBC
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
