The phrase "amusing to say" is correct and usable in written English.
It can be used when you want to express that something is entertaining or funny to mention or state.
Example: "It was amusing to say that I had never seen such a bizarre event in my life."
Alternatives: "funny to mention" or "entertaining to state".
"Do you have something amusing to say about the word?
They only spoke to him when they had something interesting or amusing to say.
If you opened your mouth you'd better have something amusing to say.
"I understand that he says he's a great businessman but smart money isn't going into linear cable any more," said Tuchman, calling the idea "very amusing to say the least".
Graduates of charm school would be emotionally and intellectually superior beings, never upstaged by circumstance, embarrassed by accidents or short of anything amusing to say.
But not as tiresome as my school's eccentric music teacher who thought it tremendously amusing to say at least twice a year (or more - it certainly felt like it): "Go forth and multiply, he said, but he came fifth and lost".
It could have been a dry tale, but, breaking the story up into bite-sized chapters, Mr Ziegler satisfies every appetite, putting the evolution of the scholarships in the context of a changing world, bringing to life the many people in the story and all the while finding apt and amusing things to say about them.
But the pace, instead of gradually winding down, progressively speeds up – and finally we're riding a wave of zane, with crowds of subsidiary characters cheerfully welcomed on to the screen and given entertaining and amusing things to say and do.
An amusing thing to say coming from Don Draper.
All of whom offered their opinions and attempted to participate, it was an amusing audition to say the least.
Which is an amusing thing to say about something that's been late in arriving for years.
