The most unobservant person could not help but see birds here.

Presently the most unobservant of watches must have perceived that their movement was random.

Mrs. Bogardus's face wore its most unobservant expression.

There was no reality about her, and the want of it was strangely plain to most unobservant eyes.

On account of its singular appearance this shrub always attracts the attention of even the most unobservant in such matters.

I suppose there is something really out of the common in her face, for I am generally the most unobservant of men in such matters.

Chief, either we got the most unobservant and deafest folks in all of northern New York State, or we got a bunch of bald-faced liars.