He stood passive, looking out over the park with unobservant eyes.

The beauty of the lilies fell on unobservant eyes.

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

They should be recognised, by even unobservant eyes who know nothing of the inner secret of their lives, as plainly belonging to another order.

She was glad that Elly was the only one who was looking at her, because, of course, dear old Mr. Welles' unobservant eyes didn't count.