EN
This article is motivated by the interest in the colloquial spoken language. A concise description of chosen definitions of the idea of truth is presented. The author looks at the phrase „tak naprawdę” used in selected examples of colloquial sentences. She investigates the reasons of the use of this phrase in both formal and informal, social lifes situations. The article aims at showing various meanings of “tak naprawdę” like: “in reality”, “strictly speaking”, “frankly speaking”, “to tell you the truth”, “in general”, “actually”, “in principle”... In this context the problems of the methaphoricity of truth and the phenomenon of multi- ambiguity of truth are discussed.