This is the 4524th most frequent Polish word.
krótka
"Krótka" means "short" in English.
The word 'krótka' describes the adjective 'short' in relation to the dress (feminine noun).
Ta sukienka jest krótka.
This dress is short.
The word 'krótką' is a declined form of 'krótka,' describing an adjective in Accusative case corresponding to 'odpowiedź'.
Mam tylko krótką odpowiedź.
I only have a short answer.
The word 'krótka' describes the adjective 'short' in relation to 'chwila,' emphasizing brevity.