a boring evening with uninteresting people.
a dull play.
a ho-hum speaker who couldn't capture their attention.
a slow walker.
a sluggish market.
although dull at classical learning, at mathematics he was uncommonly quick.
business is dull (or slow).
dumb officials make some really dumb decisions.
glaciers move tardily.
go easy here--the road is slippery.
he spoke slowly.
he was either normally stupid or being deliberately obtuse.
he was slow in reacting to the news.
her steps were slow.
his competent but dull performance.
my watch is running behind.
never met anyone quite so dim.
other people's dreams are dreadfully wearisome.
please go slow so I can see the sights.
Production slowed.
slow but steady growth.
so dense he never understands anything I say to him.
tedious days on the train.
the band played a slow waltz.
The car decelerated.
the clock is almost an hour slow.
the clock is slow.
the deadening effect of some routine tasks.
The illness slowed him down.
the slow lane of traffic.
the tiresome chirping of a cricket.
what an irksome task the writing of long letters is.
worked with the slow students.