plough
flunk
flag
scant
strike out looking
repine
fall down
go down the toilet
go out
mis-
scantle
hit the skids
bomb
fall flat on one's face
flunk out
omit
fight a losing battle
fail
makeup
dis-
go nowhere
drop the ball
fall on one's face
wither on the vine
founder
bite the big one
gronk
miss the mark
require improvement
malfunction
nonfulfilment
miss
dys-
misplease
strike out
attempted
die on the vine
come to nought
nonconform
unsatisfy
let the grass grow under one's feet
fallible
be riding for a fall
failure to prepare is preparing to fail
dop
hopeless
fumblingness
kamikaze
blow up
miscarry