Introduction. The article is devoted to the analysis of the eventuality of philosophy in the risk society through the anthropological consideration of the concepts of uncertainty, possibility, unpredictability, infi nity. The main diffi culty in risk analysis is that risk lies between rational and irrational, between certainty and uncertainty, between possibility and reality. Theoretical analysis. We are talking about the need for philosophical conceptualization of concepts, since the relations of definitions act as social and anthropological relations.