This is the 7900th most frequent Polish word.
mocna
"Strong" or "powerful."
In this sentence, 'mocna' is an adjective describing the coffee, referring to its strong flavor or concentration.
Ta kawa jest bardzo mocna.
This coffee is very strong.
Here, 'mocnej' is used as an adjective to describe the bag, indicating its durability or strength.
Potrzebuję mocnej torby, aby przenieść te rzeczy.
I need a strong bag to carry these items.
In this example, 'mocna' describes 'wola' (will), metaphorically indicating determination or mental strength.