adverb
definition
In an irrational manner; without reason; in a manner contrary to reason
synonyms
Examples of irrationally in a Sentence
He acted very irrationally about the entire business.
All grow from small beginnings and increase by a sort of popular contagion; all teach that God is to be appeased by prayers, presents, vows, but especially, and most irrationally, by human suffering.
Scepticism, to be complete, must hold that even within experience we do not rationally conclude but are irrationally induced to believe.
When numbers are high, he says, people's intuition fails them, and they tend to grab at round figures irrationally.
The idea of an android that is indistinguishable from a human makes me irrationally afraid of robots.
In giving and accepting battle at Borodino, Kutuzov acted involuntarily and irrationally.