slowlyI got out of bed and walked slowly to the door.
slowGo slower! I can't keep up.
at a slow paceThey are easy hikes, done at a slow pace.
at a slow speedYou only have to hit a pedestrian at a slow speed to kill them.
at slow rateThe economy grew at a slower rate during the second half of the year.
steadilyWe walked steadily past the crowd.
graduallyA cat's diet should always be changed gradually to avoid digestive upsets.
little by littleLittle by little, we're getting results.
progressivelyMy eyesight has got progressively worse over the years.