bezmyślne

In a sentence

• To było bezmyślnie zrobione.

  It was done thoughtlessly.

  In this sentence, "bezmyślnie" is used as an adverb to describe an action performed without consideration.

• Ich bezmyślne działania doprowadziły do problemów.

  Their thoughtless actions led to problems.

  Here, "bezmyślne" is used as an adjective to describe actions that lacked thought or consideration.

• Zawsze unikam bezmyślnych decyzji.

  I always avoid thoughtless decisions.

  In this example, "bezmyślnych" (genitive plural) modifies "decyzji" (genitive plural of "decyzja") indicating a general state of lacking thought.