jednorazowy

In a sentence

• Kupiłem jednorazowy długopis do podpisania dokumentów.

  I bought a disposable pen to sign the documents.

  Here, 'jednorazowy' describes an object designed for single use, in this case, a pen.

• Ten jednorazowy bilet pozwoli ci podróżować przez jedną godzinę.

  This single-use ticket will allow you to travel for one hour.

  In this sentence, 'jednorazowy' pertains to a ticket valid for just one-time use.

• To był jednorazowy przypadek, więcej się to nie powtórzy.

  This was a one-time occurrence, it will not happen again.

  Here, 'jednorazowy' refers to an event that happened only once, not to be repeated.