'monumental speech' is a correct and usable phrase in written English.
It can be used to describe a speech which has a lasting or nationwide impact. For example, "Martin Luther King, Jr.'s 'I Have a Dream' speech has gone down in history as a monumental speech".
Beck plans to hold a Restoring Honor rally at the Lincoln Memorial on the anniversary of Dr. King's monumental speech.
Also, Secretary of State Hillary Clinton made a monumental speech in Geneva, in which she basically broke it all down to the simple fact that gay rights are human rights.
But history would ultimately record the event itself as a mere backdrop to a single, monumental speech - one in which the passionate minister-orator stood in the shadow of the Lincoln Memorial and compelled a nation to examine its conscience and, at long last, take action.
Our country has changed much since Dr. King's monumental "I Have a Dream" speech.
There were filibusters, dramatic speeches, shouting matches, monumental sulking by the Alaska delegation, and even the controversial moving of an exhibition of ANWR photographs by Subhankar Banerjee at the nearby Smithsonian to a less prestigious location after Senator Barbara Boxer held up the images to show the place's beauty and vibrant wildlife.
It's with this slight refocusing that King's legacy can continue to move beyond the monumental moment and not relegate the speech and the movement to being simply a monument, frozen in time and relevance.
But every now and then, some brave resident transcends the local nitpicking and delivers a speech so rousing, so monumental, so deeply stirring that it rocks the city to its very core.
Parker recounts a pen Club dinner at the Algonquin Hotel, not long after their arrival, at which Isherwood embarrassed himself by making an obnoxious speech and Auden read his monumental new poem "In Memory of W. B. Yeats".
He also claimed Mr Osborne's recent speech on sterling was "a monumental error".
I'd hope that the piece speaks for itself in some kind of universal language but I'm going with "monumental burning portal between 4 dimensions" as an elevator speech.
While we could have, we didn't count the frequent minor jabs, but focused on the more monumental statements that wound their way into every speech.
