sketchy

Resembling a sketch; drawn with little detail.

Missing important points or lacking in detail; not thorough.

Of questionable authenticity or trustworthiness.

Of dubious safety; potentially harmful or dangerous.

Having the form or character of a sketch; suggesting in outline rather than portraying by finished execution: as, a sketchy narrative.

Characteristic of a sketch; slight; undetailed; unfinished.

Containing only an outline or rough form; being in the manner of a sketch; incomplete.

Roughly or hastily laid out; intended for later refinement.

Resembling a comedy sketch, of sketch quality.