unnecessary
unneeded
causeless
de trop
dispensable
excess
excessive
expendable
expletive
gratuitous
groundless
in excess
inessential
naturally
nonessential
obviously
pleonastic
prolix
redundant
spare
supererogatory
superfluous
tautologic
tautological
tautologous
to spare
uncalled-for
unessential
unrequired
unwanted
useless
verbose
continual
frightful
futile
grievous
intolerable
senseless
trivial
unavoidable
undue
unreasonable