1) Adumbrative 2) Approximate 3) Brief 4) Disjointed 5) Freehand 6) Imprecise 7) Incomplete 8) Subjective 9) Uncomplete 10) Unelaborated 11) Unguided 1) Far from complete 2) Giving only major points 3) Incomplete 4) Lacking completeness 5) Lacking detail 6) Lacking details 7) Like some descriptions 8) Merely outlined 9) Missing many details 10) Not detailed 11) Planned with little detail 12) Potentially dangerous 13) Providing few specifics 14) Roughly outlined 
• (a.) Containing only an outline or rough form; being in the manner of a sketch; incomplete.
A trick that was not landed well.
Sketch'y adjective 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. 
Sketchy is slang for unsubstantial, imperfect.
[adj] - giving only major points
When you land a trick but it doesn’t look good.
unelaborated adjective giving only major points; lacking completeness; `a sketchy account`; `details of the plan remain sketchy`