1. adjective Not especially impressive, remarkable, or noteworthy; rather dull, mediocre, uninteresting, or unimportant. It gets good reviews, but the new sushi restaurant in town is really not much to boast about. His performance has so far been not much to boast about. To be honest, we were expecting much more out of him when we recruited him.

2. noun Not very much that is impressive, remarkable, or noteworthy. There's not much to boast about in this town, to be honest. We've got a couple of crummy strip malls and a rundown movie theater, and that's about it. I've been looking through your portfolio, but so far, I haven't seen much to boast about.