This is the 13765th most frequent Polish word.
podwójnie
"Podwójnie" means "doubly" or "twice" in English.
In this context, 'podwójnie' means 'doubly' or 'double', indicating the action of checking should be done twice or very thoroughly.
Musisz sprawdzić wszystko podwójnie, aby uniknąć błędów.
You must check everything double to avoid mistakes.
Here, 'podwójnie' refers to the action happening twice, leading to redundancy.
Plik został zapisany podwójnie, co spowodowało zamieszanie.
The file was saved twice, which caused confusion.
In this sentence, 'podwójnie' emphasizes the extent of the effort and results, signifying an increase proportional to the double level.