Marked with, characterized by, or occurring in streaks. (adjective)
Variable or uneven in character or quality. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "streaky" in a sentence
"In basketball parlance, Brooks is known as "streaky"—and that reputation extends beyond his shooting touch."
"Unlike other products that leave your skin streaky, orange, or just uneven, CellaDerm is easy to apply and produces a smooth, even tan that can make golden brown beach-goers jealous."
"Indeed all the region about the Pleiades, for an area of ten square degrees, is involved in streaky nebulosity."