Dawdle means walk slowly. It is not an antonym of fair.
There are several antonyms to hasten. Slow, procrastinate, linger, and dawdle are a few to start off.
unfair
fair,loving,kind
fair, honest
plan corrupt(ly)
Dawdle is to take ones time; proceed slowly.
"Dawdle" can used as a verb in sentence: Look at that dog dawdle along.
Don't dawdle around or you will be late for work.
Dawdle is to waste time, idle, loiter, to move slowly, or saunter.
To dawdle means to delay. You could say they were wasting time. You could also say they were dragging things out. Another word that means dawdle is idle.
One of the antonyms are fashionable.
Dawdle is a verb meaning "to waste time by being slow" "Don't dawdle or you're going to miss your bus!" "Jennifer dawdled along the beach for hours."