This is the 9321st most frequent Polish word.
ufo
UFO (Polish: "ufo") – unidentified flying object.
Here, "ufo" is used as a noun referring to an unidentified flying object, typically associated with extraterrestrial spacecraft.
Widziałem ufo na niebie wczoraj wieczorem.
I saw a UFO in the sky last evening.
In this sentence, "ufo" is used in a general sense to talk about the concept of unidentified flying objects.
Czy uważasz, że ufo naprawdę istnieje?
Do you think that UFOs really exist?
This example shows "ufo" used in the context of reported incidents involving unidentified flying objects.