"fluid speech" is correct and usable in written English.
You can use it to describe words that flow easily and naturally when spoken. For example, "She had a way of expressing herself that was full of grace and fluid speech."
"Language is balls coming at you from every angle," Bernard's doctor explains to Miss Fozzard as he trains her to coax Bernard back to fluid speech.
The pouches under Colonel Qaddafi's eyes showed distinctly, his usually fluid speech was halting and he frequently looked down, away from the camera.
Fluid speech involves sharing your feelings as well as listening carefully to your partner's experiences, and peppering your day by being in touch when you're not together.
At this turning point in technological advancements, it's kind of a relief when even the most realistic androids still haven't achieved fluid-sounding speech patterns.
The application entitled "effects of thin water in patients who have been prescribed thickened fluids by a Speech Pathologist to assess hydration and quality of life", was submitted and approved by the local human research ethics committee.
According to many news sources, in Aug. a Halliburton executive drank fracking fluid at a keynote speech at conference presented by the Colorado Oil and Gas Association.
Her speech is fluid and fast, the practised ease of the professional broadcaster; it's also never less than careful, and you wonder if she's been picking up tips from the politicians she interviews on her Radio 5 Live show.
The fundamentalist embrace of dogma and rules is the antithesis of free speech and fluid exchange of ideas, concepts and (in America) laws that I embrace.
People with dysphagia, who had been prescribed a modified or thickened fluid diet by a Speech Pathologist, over the age of 18 and without a diagnosis of chronic respiratory conditions or prior tracheostomy, were eligible for inclusion.
