clunky (adjective) cumbersome: clumsy, awkward
Sinonime: cast down, chill*,
crush,
damp, dampen,
dash,
daunt, deject, demoralize,
deter,
discourage, disincline,
dismay,
disparage, dispirit, get down,
humble,
humiliate, indispose, put a damper on,
put down, shake, throw a pall over
Antonime: encourage, hearten, inspirit