supererogative
ADJECTIVE
wanton
Synonyms
WEAK
capricious
changeable
devil-may-care
extravagant
fanciful
fickle
fitful
fluctuating
free
frivolous
gratuitous
heedless
hot-and-cold
immoderate
inconstant
intemperate
lavish
outrageous
prodigal
profuse
rash
reckless
spendthrift
spoiled
supererogatory
thriftless
uncalled-for
unfettered
unreserved
unrestrained
up and down
variable
volatile
wasteful
whimsical
wild
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.