Other and less easily definable attributes he did not lack.

I left my guest abruptly, with a feeling of vexation not very easily definable.

People thought politicians had no scruples, but at least those missing scruples were easily definable.

Before doctors and medical technology came along to queer the pitch, death was a quite easily definable state.

As Sarkar notes, there is no easily definable demarcation criteria to deem ID science or non-science without further consideration.

Rather, they may appear similar to earthly beings, or they may be described as beings of light, without easily definable features.

The speculative line of demarcation, where obedience ought to end and resistance must begin, is faint, obscure, and not easily definable.

There is no easily definable plot, and you can run yourself ragged wondering what the significance can be of a chance encounter.