redundantant
redundundant
pleonastic
semiredundant
reredundant
redundancy
irredundance
redundantly
Abundita
kick at an open door
supernumerary
double
on its way out
imperviable
inutilitarian
no good
inutility
noncompleted
inapt
deduplication
as much use as a chocolate fireguard
incompleted
garbageness
underreplicate
good-for-nothing
voidableness
drossy
elementoid
not worth a cress
inaneness
unconstant
invalidish
Mother Hubbard
nutil
bitsy
frustraneous
reassembly
refabrication
surplus to requirements
invalidness
fragment
duplicacy
reimposition
fragmentable
reintegrate
gaum
nonbondable
shvantz
phlegmatized
rededicate