When I see words and expressions that are unnecessarily convoluted, it is a huge red flag," Boissiere said.

Tom's speech was convoluted and disjointed and was very hard to follow.

The hikers traced a convoluted route through the mountains.

I find your argument too convoluted. Couldn't you try to make it simpler and more concise?

The plot's so convoluted, I have no idea what's going on.

Yanni's story is long and convoluted.