slow is an antonym for fast.
antonym: slow
It is to go fast an he antonym is to go slow
slow i think
slow horse`s
slow or sluggish
Walk move slow
It's slow down.
Perhaps slow or lower?
dull, blunt, lazy, slow
Antonym means "the opposite", like fast/slow, light/heavy etc. There is no opposite to 16.
Antonyms are just words like any other word you use them when it is appropriate.It is just that an antonym is a word that has an opposite for example fast and slow. We can say fast is an antonym of slow or we can say fast is the opposite of slow.