Not complex or involved; simple: found an uncomplicated solution to the problem. (adjective)
Not involving medical complications.(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 "uncomplicated" in a sentence
"He likes things uncomplicated, is an expert and picks his shots."
"Its stars are shiny-faced young people with broad smiles who speak in short, uncomplicated sentences."
"It's not a difficult recipe at all - one reason it's become a Christmas tradition is that it's uncomplicated, which is a boon at this time of year when there's so much to do!"