This is the 2408th most frequent Polish word.
złe
"Złe" means "bad" or "evil" in English.
The adjective "złe" here describes "przeczucia" (feelings), indicating they are negative or bad.
Mam złe przeczucia.
I have bad feelings.
Here, "złe" qualifies "miejsce" (place), conveying it is inappropriate or unsuitable for a picnic.
To złe miejsce na piknik.
This is a bad place for a picnic.
The adjective "złe" modifies "zachowanie" (behavior), suggesting it was morally or socially incorrect.