breathtaking

breath|taking /br'eθteɪkɪŋ/
also breath-taking
[ADJ]
If you say that something is breathtaking, you are emphasizing that it is extremely beautiful or amazing.
The house has breathtaking views from every room...
Some of their football was breathtaking, a delight to watch...
breathtakingly [ADV] usu ADV adj, also ADV after v
...the most breathtakingly beautiful scenery in Germany.