IPA: /ˈskɛtʃɪli/
KK: /ˈskɛtʃɪli/
In a way that is not detailed or complete, often providing only the main points or outlines.
The report was sketchily written, lacking important details.
Sketchily → It is formed from "sketch" (from Dutch *schets*, meaning a rough drawing) and "-ily" (meaning in a manner). The word "sketchily" means in a manner that is rough or not detailed, akin to a quick drawing.
Think of a 'sketch' as a rough drawing, and remember that 'sketchily' means doing something in a rough or incomplete way.