Maybe in an extremely technical sense it is a difficult question, but the simple semantic meaning of irrationality conforms to that simple formula — introbert
So to attempt a definition of irrationality in isolation is difficult, but as the opposite or absence or negation of rationality is easiest — introbert
Socrates used logic but was not rational in the sense that he was often challenging the basic ideas of Athenian society. It is fundamentally irrational to do something that can get you killed. — introbert
Get involved in philosophical discussions about knowledge, truth, language, consciousness, science, politics, religion, logic and mathematics, art, history, and lots more. No ads, no clutter, and very little agreement — just fascinating conversations.