czynnego

In a sentence

• Nie miałem czasu na korzystanie z czynnego basenu.

  I didn't have time to use the open swimming pool.

  The word "czynnego" is used as a genitive singular form of the adjective "czynny" (active, open), describing the pool in terms of its state of being operational.

• Ze względu na remont nie dotarliśmy do czynnego muzeum.

  Due to renovations, we didn't reach the open museum.

  Here, "czynnego" also means "open" and describes the museum in its operational state, serving attributively.

• Czyn deney jest ważnym składnikiem aktywnego trybu życia.

  An active lifestyle is an important component of a healthy living.

  Here, "czynnego" is used in a metaphorical sense to describe activity or activeness as a quality being ascribed.