Sentence examples for doubtful quantity from inspiring English sources

The only doubtful quantity was Alfred".

These quantities are inherent properties, whereas intrinsic quantities exclude part of the energetics and are of doubtful physical meaning.

(Extremely doubtful).

Doubtful glances.

'Racist?' Doubtful".

The President seemed doubtful.

But Heffernan was doubtful.

Mr. Csoka was doubtful.

"Doubtful," she said.

That seemed doubtful.

That conclusion seems doubtful.