The phrase "a extremely comfortable" is not correct in written English.
It should be "an extremely comfortable" because "extremely" begins with a vowel sound.
Example: "After a long day, I finally sank into an extremely comfortable chair."
Alternatives: "very comfortable" or "highly comfortable."
Judged by Ward to have "outstanding cuisine and high standards, an extremely comfortable vessel," it also has a heated pool, cabins with double balconies and a speciality restaurant with open kitchen – yet it still doesn't make five stars, rated at only four star-plus.
For teens, they are fun and innovative, offering an extremely comfortable place to curl up with a book.
With a World Saver preceding him (I count out Harding as a mere hallucination) and a Wonder Boy following him, [Coolidge] begins to seem, in retrospect, an extremely comfortable and even praiseworthy citizen.
For luxe-inclined visitors, it can also be an extremely comfortable detour.
Laurent Blanc's side move onto four points with an extremely comfortable win thanks to goals from Jeremy Menez and Yohan Cabaye.
The pilgrim albergue is an extremely comfortable former convent of San Francisco, and in the former chapel is an exhibition dedicated to Zurbaran – you have to get past the exhibition's very fierce custodian, who is not keen on visitors.
It seems to be an extremely comfortable suburban life of spin classes, yoga, home decoration and Little League – except that by the end of the opening credits, Abby is bleeding from the head.
On a recent ride and drive in Albuquerque, NM, the Ford folks rolled out the 2016 Ford Explorer Platinum trim where improved safety features as well as an extremely comfortable ride means this one will shine in the three-row crossover SUV market.
I wondered why I hadn't simply selected that hotel first, as I settled into a big, extremely comfortable room, which had a kitchen with a microwave and refrigerator, along with a spacious desk where the Internet snapped to life with a click.
Wearing shorts and carrying a new, extremely comfortable backpack loaded with water, various energy bars, a pack lunch and a fleece jacket to wear on the summit, I had become a hiker.
