at a slow speed; not quicklyto move slowlyPlease could you speak more slowly?The boat chugged slowly along.He found that life moved slowly in the countryside.Don't rush into a decision.Take it slowly.Slowly things began to improve.Which Word?slow / slowlySlowly is the usual adverb from the adjective slow. Slow is sometimes used as an adverb in informal language, on road signs, etc. It can also be used to form compounds:Slow. Major road ahead.a slow-acting drugThey walk very slow. In informal comparisons, both slower and more slowly are used:Can you speak slower/more slowly?In formal language, and especially in writing, slowly is used as the adverb form.