unmerited
unnecessary
unneeded
unpaid
God-given
accorded
aimless
allowed
amorphous
arbitrary
autonomous
baseless
bestowed
biggety
bluff
bottomless
brash
capricious
casual
charitable
cheeky
chutzpadik
cocky
complimentary
contemptuous
costless
crusty
de trop
derisive
desultory
disarticulated
discontinuous
discretional
discretionary
disjunct
disordered
dispensable
dispersed
disproportionate
disrespectful
elective
eleemosynary
erratic
excess
expendable
expenseless
expletive
facy
fitful
flip
flippant
for free
for love
gratis
gratuity
deliberate
erroneous
groundless
needless
outrageous
pointless
preposterous
senseless
superfluous
trivial
undeserved
unintentional
unjustifiable
unprovoked
unreasonable
untrue
unwarranted
voluntary
wanton
onerous