The playing is compelling but not altogether convincing.

His attempt to sound facetious was not altogether convincing, and nobody smiled.

He was good at it-too good to be altogether convincing.

But he didn't make an altogether convincing case for the piece, which seemed to be searching throughout for Purcell's melody.

The result is an intriguing although not altogether convincing attempt at a modern folkloric style, undermined by a lack of organizing form.

There were a few stifled sobs, but many more laughs and jokes, perhaps a little too high-pitched to be altogether convincing.

It is clever of you but not altogether convincing.

Even to himself it did not sound altogether convincing.

I was absorbing it in some way, yes,' she answers, sounding not altogether convincing.

We find that the outcome is not altogether convincing.