Uncomplicated means free of any tangles, problems or setbacks. An uncomplicated birth, an uncomplicated case, refreshingly uncomplicated.
In medicine it is a technical term and a good word to hear: an uncomplicated procedure is one where nothing went wrong. Of a person it is faint praise and can be faint criticism, since it can mean straightforward or can mean simple.
1adjectiveuncomplicatedFree of any tangles, problems or setbacks.
“The journey was uncomplicated, with no delays or missed trains.”
uncomplicated is a quality.
Un- plus complicated, from Latin complicare, to fold together.
From un + complicated.
Etymology from Wiktionary, CC BY-SA