Irrationally(adverb)
Meaning: In a way that does not use reason or clear thinking.
Hindi meaning:बिना विचारे; तर्कहीनतापुर्वक
Synonyms: Illogically, Absurdly, Groundlessly, Nonsensically
Antonyms: Reasonably, Judiciously, Sensibly, Wisely
Example: People often behave irrationally when they are under stress.
Trick to remember: Ration ka saman irrationally le aate h bhaiya 
