sketchy

sketchy    [skech-ee]

adjective. incomplete, lack of details

"The evidence is so far inconclusive, and some of the numbers underpinning the theory that Zika is the cause of the birth defect microcephaly have proven sketchy."

"The president has given a sketchy speech that outlined some important ideas but was short on specifics."

"From canned goods on the shelf, baked beans and corned beef, we prepared a sketchy supper, and ate on the counter."