Translation of unheilbar

Today the spring really showed itself. It was over eighteen degrees and people started wearing nice and with T-shirts. Snow has melted and the temperature is steady. I can't wait for the summer.
Thanks for the phone conversation. In the attachment, I placed a very brief overview of possible Spanish words that could be entered into the system for the vocabulary beginners lesson. Please have a look.
Thank you for the quick response and for your feedbacks. You are absolutely right about the verb 'communicar'. Our verb list section is new. We will add this verb, as well as many other less common verbs.