If one acts irrationally in a dream, it means that he will act with disgrace, stupidity or shamelessness in real life. Being irrational in a dream and intentionally using violent or insulting words, and acting deliberately in an evil way means despair of God’s mercy. It also means refuting or opposing some- thing. It is also interpreted to mean attending to one’s prayers without the ritual ablution. Irrationality in a dream also may mean insolent behavior, or ill speaking of peoples’ honor or chastity. (Also see Insanity | Mental derangement)
Read more about dreaming of Irrationality in other dream meanings interpretations.