Adverb:

तर्कहीन या बुद्धिहीन रूप में, बेसोचे-समझे, बिना विचारे, युक्तिपूर्वक,

irrationally's Usage Examples:

In giving and accepting battle at Borodino, Kutuzov acted involuntarily and irrationally.

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.

Scepticism, to be complete, must hold that even within experience we do not rationally conclude but are irrationally induced to believe.

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.

He acted very irrationally about the entire business.