Definition of "Slow" :
verb: lose velocity; move more slowly
verb: become slow or slower
verb: cause to proceed more slowly
"The illness slowed him down."
adjective: (of business) not active or brisk
"Business is dull (or slow)."
adjective: slow to learn or understand; lacking intellectual acuity
"Worked with the slow students."
adjective: not moving quickly; taking a comparatively long time
"A slow walker."
adjective: at a slow tempo
"The band played a slow waltz."
adjective: (used of timepieces) indicating a time earlier than the correct time
"The clock is slow."
adjective: so lacking in interest as to cause mental weariness
adverb: without speed (slow' is sometimes used informally for slowly')
"He spoke slowly."
adverb: of timepieces
"The clock is almost an hour slow."