clumsy (adj.)
- awkward
- barbaric
- barbarous
- boorish
- botched
- bovine
- bulky
- bumbling
- bungling
- butterfingered
- cacophonous
- careless
- cloddish
- clownish
- coarse
- contrary
- crosswise
- crude
- cumbersome
- cumbrous
- deficient
- dysphemistic
- elephantine
- fumbling
- gauche
- gawky
- graceless
- gross
- ham-fisted
- ham-handed
- haphazard
- harsh
- heavy-handed
- hit-or-miss
- hulking
- hulky
- impractical
- improper
- impure
- incommodious
- inconvenient
- incorrect
- indecorous
- inelegant
- inept
- infelicitous
- left-hand
- left-handed
- loutish
- low
- lubberly
- lumbering
- lumpish
- lumpy
- maladroit
- massive
- messy
- oafish
- outlandish
- perverse
- ponderous
- promiscuous
- rude
- slipshod
- sloppy
- slovenly
- sluttish
- splay
- stiff
- tasteless
- troublesome
- uncouth
- undignified
- ungainly
- ungraceful
- unhappy
- unmanageable
- unpolished
- unrefined
- unseemly
- untidy
- unwieldy
- vulgar
- wooden