adjective
slower; -est
[also more ~; most ~]
not moving quickly :not able to move quickly
not happening quickly :taking more time than is expected or wanted
not operating quickly
not doing something quickly
not allowing someone or something to move quickly
not easily able to learn and understand things
not very busy or interesting
of a clock or watch :showing a time that is earlier than the correct time
photography :not allowing photographs to be taken very quickly or when there is very little light
a slow start
Someone or something that has a slow start is not successful at first but does well eventually.
do a slow burn
slow off the mark
adverb
slower; -est
[also more ~; most ~] :in a slow way or at a low speed
verb
slows; slowed; slowing
[no obj] :to begin to move at a lower speed
[+ obj] :to make (something, such as a car) move at a lower speed
[no obj] :to become slower
[+ obj] :to make (something) slower - often + down or up
slow down
[phrasal verb]
to stop being very active, talking very fast, etc.