Answer: slower

AnswerCrossword Clue
SLOWERNot quick on the uptake
SLOWERMore deliberate
SLOWERMore leisurely
SLOWERLess speedy
SLOWERMore dilatory
SLOWERMore poky
SLOWERRitardando, musically
SLOWERLess apt to learn
SLOWERLike a runner-up, often
SLOWERShouted for song moving too fast
SLOWERLargo, compared to adagio
SLOWERLess busy
SLOWERLargo, compared to andante
SLOWERRitardando, in music
SLOWERLike rail vis-a-vis air
slowernot fast or quick
slowerin a slow manner
slowernot intelligent or perceptive
slowerto make or become slow
slowerrunning behind time
slowerSLOW, moving with little speed
SLOWERAdagio, as compared to allegro
SLOWERLess likely to win the race
SLOWERNot as busy
SLOWER"Not so fast!"
SLOWERNot so quick on the uptake
SLOWER"Don't go so fast!"
SLOWERNot so fast
SLOWERMore like molasses
SLOWERNot as bright
SLOWERLike right-lane traffic, usually
SLOWERAt a decreased pace
SLOWERNot as smart
SLOWERAdagio, vis-a-vis andante
SLOWERLargo, vis-a-vis larghetto
SLOWERNot as fast
SLOWERLess adept
SLOWERNot so fast.
SLOWERLess active.
SLOWERLess prompt.