SKETCHILY
sketchily
(adverb) in a sketchy incomplete manner; “he explained sketchily”; “the dishes were only sketchily washed”
Source: WordNet® 3.1
Etymology
Adverb
sketchily (comparative more sketchily, superlative most sketchily)
In a sketchy manner.
The Hunger Games has its share of standalone payoffs, though some are too sketchily developed to have much of an impact, like Katniss’ motherly connection to Rue.
Source: Wiktionary
Sketch"i*ly, adv.
Definition: In a sketchy or incomplete manner. "Sketchily descriptive."
Bartlett.
SKETCHY
Sketch"y, a.
Definition: Containing only an outline or rough form; being in the manner
of a sketch; incomplete.
The execution is sketchy throughout; the head, in particular, is left
in the rough. J. S. Harford.
Source: Webster’s Unabridged Dictionary 1913 Edition