The phrase "noteworthy guest" is grammatically correct and can certainly be used in written English.
It is often used to refer to a guest who is particularly notable or important in some way. Example: The conference attracted many noteworthy guests, including famous scientists, politicians, and business leaders.
(That night's guest was another noteworthy figure with whom the host had had an on-and-off comic feud: Oprah Winfrey).
With any luck, the evening will feature guest appearances by noteworthy young hoofers like Marshall Davis Jr. Get there early for a good seat, and be prepared for you and your dinner or drinks to be sprayed if you're sitting at one of the tables adjoining the stage: Mr. Glover sweats as hard as he works.
Harvest season becomes official in Edgartown with its First Annual Martha's Vineyard Harvest Festival Oct. 12 to 14. Artisanal food purveyors and winemakers, as well as noteworthy chefs, will be special guests.
Simmons may have been upstaged during his first episode, but there are worse fates for a talk-show host than getting a guest to say something noteworthy.
A noteworthy thing that Brisbane did have was a special guest appearance from Pauline Hanson, who delivered an impassioned I-am-not-a-racist-but speech to the crowd.
Most noteworthy, Airbnb says it has enabled the booking of 5 million guest nights in spaces all over the world, 4 million of which were booked in the last 12 months alone (they announced their 1 millionth booking in February 2011).
The effect of guest binding on the catalytic behavior of [ 4AuCl] is noteworthy on a number of counts.
For our current prime minister it is noteworthy not merely that he has had such a lot of guests but that he is there himself.
Among recent albums under his own name the most noteworthy was "Old Man Time," a two-CD set on the Chiaroscuro label with guest stars like Dizzy Gillespie and Lionel Hampton, and spoken reminiscences by Mr. Hinton.
Two unannounced special guests were then called forth: Chicago keyboardist (and live musician at Dylan's noteworthy '65 Newport show) Barry Goldberg; and manager/producer/ uncoverer" of The Rolling Stones (also dandy-about-town and self-proclaimed "pimpresario"), Andrew Loog Oldham.
