The predominant school of thought holds that the markets are irrationally acting—and crashing—in response to the news.
It would be better to spend rationally now than irrationally in the heat of an election year.
We seem to now be in a period when people who are irrationally afraid of others are far outnumbered by those who are not.
I'd been so irrationally certain of merciful miracles; he was supposed to live forever.
It diminishes what they add to society, irrationally elevating their private lives in ways that do a disservice to them and to us.
I don't mean that it has no significance mentally and logically; I mean that irrationally and emotionally it has no significance.
We were unweighted, irrationally agile with the slight gravity.
He would have been just as helpless, just as irrationally enslaved, if she had been a chorus girl.
We were unweighted, irrationally agile with this slight gravity.
Although Spinoza wanted to be independent and self-supporting he was not irrationally zealous about it.
late 15c., "not endowed with reason" (of beats, etc.); earlier (of quantities) "inexpressible in ordinary numbers" (late 14c.); from Latin irrationalis "without reason," from assimilated form of in- "not, opposite of" (see in- (1)) + rationalis "reason" (see rational). Meaning "illogical, absurd" is attested from 1640s. Related: Irrationally.
irrational ir·ra·tion·al (ĭ-rāsh'ə-nəl)
Not rational; marked by a lack of accord with reason or sound judgment.