redundundant
pleonastic
redundantant
reredundant
redundantly
irredundance
redundancy
semiredundant
supernumerary
Abundita
on its way out
kick at an open door
inutility
as much use as a chocolate fireguard
good-for-nothing
garbageness
incompletely
inapt
surplus to requirements
incomplete
nutil
frustraneous
good for nothing
inaneness
not worth a cress
drossy
vacuity
perissological
double
inutilitarian
no good
idly
gaum
lazily
piecemeal
nonbondable
shvantz
powerlessly
voidableness
imperviable
no-account
goldbrick
ne'er-do-well
good-for-naught
idlily
voidly
goof-off
invalidship
incompleted
Mother Hubbard
jabberwocky
waste of time
vanity
vacantness
invalidhood
drecky
impertinent
futilely
unavailing
void
worthlessly
goodless
unneedfully
supernumerous
shand
uselessly
scrap
freehanded
fragmentable
pointlessly
invalidish
not worth a curse
dead donkey
not worth salt
inanery
that and a nickel will buy you a cup of coffee
unanimated
unconstant
laid-off
unnecessarily
clear out
scrappy
unarticulable
toom-handed
bitsy
unkempt
intervallum
inaccessibly
noncompleted
oxygen thief
some
confineless