unremarkable
Ordinary and not special or interesting in any way.
Unremarkable means ordinary or not particularly interesting or unusual. When a doctor examines you and says the results are unremarkable, that's actually good news: everything looks normal and healthy, with nothing unusual to worry about.
Something unremarkable doesn't stand out. An unremarkable building is plain and forgettable. An unremarkable performance is adequate but not impressive. An unremarkable day passes without anything special happening.
Here's the interesting twist: unremarkable isn't the same as bad. An unremarkable meal might taste fine, just not memorable. An unremarkable student might do solid work without being exceptional. Many perfectly good things are unremarkable; they just don't catch anyone's attention or spark conversation.
Sometimes people use this word when they expected something to be special but found it disappointingly ordinary. You might describe a highly anticipated movie as unremarkable if it turned out to be forgettable. But in medical contexts, unremarkable is exactly what you want to hear: it means everything is normal, routine, and functioning as it should.