clumsy
clunky
difficult
gawky
graceless
hard
inconvenient
infelicitous
labored
laboured
strained
uncomfortable
ungainly
ungraceful
unmanageable
unwieldy
wooden
Latinate
adverse
all thumbs
blankminded
blunderheaded
blundering
bombastic
boorish
bulky
bumbling
bungling
butterfingered
callow
careless
clownish
clumsy-fisted
confused
contrary
cramped
crosswise
crushing
cumbersome
cumbrous
dangerous
delicate
discomfited
discommodious
disconcerted
disconcerting
disturbing
dumb
elephantine
embarrassed
embarrassing
empty
empty-headed
fingers all thumbs
forced
formal
fumbling
gauche
gawkish
nervous
painful
stupid
weak