velleitary
slow off the mark
sluggish
unurgency
backward
heavy-footed
dozy
underassertive
noynoying
let the grass grow under one's feet
logy
constipated
SP
lag
strike out looking
laggardly
hard
hardly
uncritical
trivially
unprogressing
not going anywhere
sluggishness
insecure
set back
push shit uphill
inefficient
irresolutely
retarding
limp
nondiligence
slip through
draggingly
underresponsive
die hard
slow up
slow
poky
slow down
low-octane
behind
steady
nonintent
forlorn
hobble
downtempo
easeless
untunefulness
junkball
unpursuable
taihoa
go nowhere
softly, softly, catchee monkey
slowliness
bland
untenacity
ease
scrape
languish
draggy
slowish
behind the curve
uncoordinated
miss the mark
more haste, less speed
essay
sluggishly
sullen
pokey
passivity
underchallenging
retarded
near miss
brady-
slowly
inert
unadvancement
lazily
soggy
torpid
immoderation
turtling
procrastination
unpersuasible
gradually
dilatoriness
drag
copout
successlessness
bradypsychia
lazy
underfoot
underperform
stonewalling
nonfailure
unforethoughtful
drop in the bucket