Indelible means that it is permanent. Here are some sentences. That paper was written in indelible ink. Her friendship left an indelible mark on my heart. A tattoo is indelible.They can be embossed...
The yacht slammed into the dock so hard that it left and indelible inpression in the wood.
Your question makes an indelible impression on me.
The cake was so horrible it was inedible!
Indelible ink will not wash out of your clothes.