Failing to observe something; unobservant. (adjective)
Examples of word unobserving
Filled with dreary imaginations, I passed through many beautiful and majestic scenes; but my eyes were fixed and unobserving.
To an eye so unobserving as that of Bucklaw, her demeanour had little more of reluctance than might suit the character of a bashful young lady, who, however, he could not disguise from himself, was complying with the choice of her friends rather than exercising any personal predilection in his favour.
These, when observing men have made them, unobserving men, when they are proposed to them, cannot refuse their assent to.
There was but one other present, a country lout who stood swallowing his wine, equally unobserved by all and unobserving â€” to him he dealt a glance of murderous suspicion, and turned direct upon his wife.
I must excuse them, I really must forgive them; this was too bad, he had been so unobserving ....