remarkably
Both films performed solidly but unremarkably at the box office.
Sometimes, it's all too easy to take for granted the simple pleasure of an unremarkably quiet day.
Their journey into adulthood starts unremarkably but eventually takes them down strikingly different paths.
The place had been ticking along unremarkably for years when I arrived.

SMART Vocabulary: related words and phrases

Plain and ordinary
as it comesidiom
austere
austerely
austerity
average Joe
homespun
homey
humble
humdrum
middle-of-the-road
something/nothing to shout aboutidiom
sparely
spartan
stale
starkly
unornamented
unostentatious
unostentatiously
unpainted
unremarkable