The phrase "astonishing speech" is correct and usable in written English.
You can use it to describe a speech that is surprising or impressive in its content or delivery.
Example: "The politician's astonishing speech captivated the audience and left them in awe."
Alternatives: "remarkable speech" or "incredible speech".
IN THE month of June an attractive black American politician visited a university in Cairo and made an astonishing speech.
· I was intrigued by the astonishing speech to a far-right "thinktank" by Oliver Letwin, the shadow home secretary.
He made a passionate and astonishing speech attacking the United States - made all the more powerful because it was delivered in a husky, throat rasp.
He made many more such shots and then, ironically enough when you remember the furore over the mayhem he brought to the England dressing room last summer, made an astonishing speech about the unshakeable value of team spirit.
Antonio begins the play with an astonishing speech about depression, a singular way to open a comedy: "In sooth, I know not why I am so sad: It wearies me..."...
The sexual rivalry between the openhearted Vasily and the neurotic Danilov resolves in a ludicrous moment of melodrama built around an astonishing speech in which Danilov concludes that because Tanya loves Vasily, Marxism is bunk.
"He's good at making astonishing speeches that make people sit up and take notice," said Mr Paxton.
Mr. Gates, who is superb in repairing the catastrophe left behind by Donald Rumsfeld, has given a series of astonishing speeches in which he calls for more resources for the State Department and aid agencies.
Arguably the leading American scholar of fascism, Columbia University's Robert Paxton, similarly denied that Trump is a fascist, but conceded that he can "understand why some people might be inclined to point out similarities between Trump and fascist leaders," adding: "He's good at making astonishing speeches that make people sit up and take notice.
The Republican Convention did have a biggie this year, causing an astonishing (and astonished) thirty-seven million people to watch Palin's speech last week — but the blanket coverage didn't leave viewers any better informed.
Adults can incrementally combine information from speech with astonishing speed to anticipate future words.
