certain in Polish
certain in Polish
pewny
Sure in one's mind, positive; absolutely confident in the truth of something.
jakiś
(euphemism, preceded by "a") Used to denote that the speaker is referring to a specific person or thing that they do not want to name directly, implying that the listener should infer the identity of the referent.
niejaki
(euphemism, preceded by "a") Used to denote that the speaker is referring to a specific person or thing that they do not want to name directly, implying that the listener should infer the identity of the referent.