'profound speech' is a correct and usable phrase in written English.
It is used to describe a speech with deep, meaningful content or one that is thought-provoking. For example, "The speaker gave a profound speech about the importance of equality and acceptance."
At the end of a funny, moving and profound speech there is a standing ovation.
Only one good thing has come out of that, and, in a very unlikely climate, it happened to be a great thing: Obama's profound speech about the truths of race and history.
Because of my disability I can move marginally faster than a snail, and I could ask them to stop or to cry for help if only they had the patience to understand what I was saying, given my profound speech impediment.
It was a prophetic speech, a profound speech, quite possibly the most extraordinary of his career.
A sixth grade student stunned the Rhode Island Senate judiciary committee with a profound speech on same-sex marriage.
He should travel to the region, to Jerusalem and Ramallah, and do the nitty gritty work that needs to follow such a grand and profound speech.
Today's political correctness makes profound speeches even less likely.
When will we move from profound speeches to powerful policies?
In patient III.2, the hearing loss is stable and severe to profound and speech development was very poor.
The term specific language impairment (SLI) defines a category of speech and language disorders in which a profound language impairment represents the primary deficit.
Then there was the time, and time again, when there wasn't any profound, commencement-speech-worthy moral, but we just stayed up chatting, ordered Wenzels at 3 a.m., and we were here.
