This is the 9348th most frequent Polish word.
ultra
The Polish word "ultra" means "extremely" or "excessively."
The word "ultra" is used here as a prefix to emphasize the intensity of the workout, showing that it was extremely intensive.
To był ultra intensywny trening.
It was an ultra intense workout.
In this sentence, "ultra" serves as a prefix to the adjective "zabawny" (funny), intensifying its meaning to denote something exceptionally humorous.
Nowy film jest ultra zabawny, musisz go zobaczyć.
The new movie is ultra funny, you have to see it.
Here, "ultra" is used to describe the material's lightness, qualifying it as being extraordinarily light.