As nouns the difference between slow and sloo
is that
slow is someone who is slow; a sluggard while
sloo is a slough; a run or wet place.
As an adjective slow
is taking a long time to move or go a short distance, or to perform an action; not quick in motion; proceeding at a low speed.
As a verb slow
is to make (something) run, move, etc less quickly; to reduce the speed of.
As an adverb slow
is slowly.