Don DeLillo, The Silence: Bad, robotic story that's also far too short to be published on its own. I've never been DeLillo's biggest fan, but I can't believe he's fallen this far.
Roy Jacobsen, The Unseen: This one's probably more on me. I read an article about how great this book was, and I think I got too hyped. Solstad and Fosse are two of my favorites, Lunden and Hjorth are both wonderful, Knausgaard's kind of there too I guess, so to hear there was another Norwegian writer on their level got me very interested. Not bad, but also not great. Tedious at times, especially the faux-dialect the English translation uses.
Kenzaburo Oe, Somersault: Somewhere in this 600 page tome about spirituality, salvation, and a Japanese cult is a good-to-great 250 page novel.
Cesar Aira, Little Buddhist Monk: I went through an Aira phase at one point this year, but this novella brought that to a halt. Aira's books aren't always super cohesive, jumping around from point to point, but they typically build to something, or are inventive enough that I can appreciate the sheer creativity. This story, about a Korean monk guiding a French couple through a fantastical Korea, gets too silly and ridiculous (the monk is eventually revealed to be a robot??). Reads like Aira didn't know where to go so he just quickly made up an ending, a feeling I also had when reading The Literary Conference.
Also, I went back to a post I had previously made in one of these "Most Disappointing of 20XX" threads and came across this:
Independent People by Halldor Laxness. I've continually heard him be referred to as one of the greatest authors of the 20th century, but he didn't do it for me. The prose was nothing special, the narrative just kept dragging on, and I had to push myself through the last 200 or so pages because I was so bored with it.
I'm happy to say I reread Independent People 2 or so years ago and completely shifted my view. It's still a little overly long, but it's definitely a masterpiece.