Theirs were the most Indistinctive signatures in the lot.
"The Planet Strappers"
Raymond Zinke Gallun
There were the half-dozen smartly frocked women, who, far from being the females of the foregoing species, were quite Indistinctive, with the single exception of an American wife, who was infinitely more Scotch than her Scotch husband.
"The Bell-Ringer of Angel's and Other Stories"
Bret Harte
They had to walk up four blocks and then half a block across before they came to the Indistinctive brownstone house where the Dryfooses lived.
"A Hazard of New Fortunes"
William Dean Howells