1. Lack of heed or attention; disregard.
2. Nonobservance, as of a law or custom.

in′ob·ser′vant adj.
References in periodicals archive ?
By refusing to reveal the "truth" of bodies, Fragoletta introduces the possibility that there is no bodily truth or, at least, that medicine, like the inobservant "doctor," can only clumsily decipher it.
We have trained them to worry about it, and it is one of the few aspects of bird health that can be tracked by an inobservant owner.
An inobservant American driver in New Zealand quickly discovers that his standard theories of driving are wrong when, driving on the right-hand side of the road in Auckland, he unavoidably enters into a head-on collision.