otiose
serving no useful purpose; having no excuse for being
lazy
disinclined to work or exertion
indolent
disinclined to work or exertion
slothful
disinclined to work or exertion
work-shy
disinclined to work or exertion
superfluous
more than is needed, desired, or required
redundant
more than is needed, desired, or required
pleonastic
repetition of same sense in different words
tautologic
repetition of same sense in different words