- (of a number) not capable of being expressed exactly as a ratio of two integers.
- (of a function) not capable of being expressed exactly as a ratio of two polynomials.
- of or relating to a substitution in the normal metrical pattern, especially a long syllable for a short one.
- noting a foot or meter containing such a substitution.
- irrational number,
Origin of irrational
Examples from the Web for irrationally
According to her personal blog, “Irrationally Optimistic,” Zhang is a mother of two, living in a “double professional household.”Yahoo’s Accused Sexual Harasser Asked Women to Wear More Skirts at Work|Olivia Nuzzi|July 14, 2014|DAILY BEAST
The predominant school of thought holds that the markets are irrationally acting—and crashing—in response to the news.Let’s All Please Stop Overreacting to Bernanke’s Remarks|Daniel Gross|June 20, 2013|DAILY BEAST
The latest incident will give new life to the gossip that Trierweiler is irrationally jealous of Royal.France’s Valerie Trierweiler Tweets Against Segolene Royal|Tracy McNicoll|June 12, 2012|DAILY BEAST
It would be better to spend rationally now than irrationally in the heat of an election year.
It diminishes what they add to society, irrationally elevating their private lives in ways that do a disservice to them and to us.
He'd presented it to an orphanage mainly because, irrationally, he'd have liked to keep it.The Ambulance Made Two Trips|William Fitzgerald Jenkins
From this it will be seen how absurdly and irrationally different he was from the rest of us.The Card, A Story Of Adventure In The Five Towns|Arnold Bennett
This wealth was never created because the capitalist class managed too wastefully and irrationally.Revolution and Other Essays|Jack London
There were plenty in my room; but, irrationally, of course, none pleased me.The Adventures of Jimmie Dale|Frank L. Packard
Merle, you must be very ill when you talk so irrationally and untruthfully.Professor Huskins|Lettie M. Cummings
- not rational
- (as noun)an irrational
- of or relating to a metrical irregularity, usually the occurrence of a long syllable instead of a short one
- denoting a metrical foot where such an irregularity occurs
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.