|Origin:||schets, from Italian schizzo, from schizzare 'to splash'|
a simple, quickly-made drawing that does not show much detail
a short humorous scene on a television programme, in a theatre etc, that is part of a larger show:
Her TV programme is made up of a series of comic sketches.
a short written or spoken description
a brief sketch of the main weaknesses of the British economy
a thumbnail sketch (=very brief description) of topics treated in depth elsewhere