bull
resultless
slim chance
poorly
kiss of death
fat chance
whistle for
whack
primrose path
never-would-be
hassle
heffalump
deathblow
give something up as a bad job
whistle in the wind
mug's game
unsucceeding
licking
unchallengingly
scrobbler
ticket to ride
flop
Heath Robinson
defeat
break new ground
wutless
throw enough mud at the wall and some of it will stick
unusable
foiling
lose
person from Porlock
throw enough mud at the wall, some of it will stick
smooth sailing
square peg in a round hole
earthly
coaster
impracticality
long shot
uneffective
Hail Mary
bomb
handful
nonexperience
busted flush
bubble
inexpediently
obstacle
nonessentiality
successlessness