decisive
absolute
admitting no exception
all-out
arrogant
assured
categorical
clear
cocksure
complete
conclusive
confident
convinced
decided
definite
definitive
determinate
determined
downright
entire
explicit
express
final
fixed
flat
flat-out
global
hubristic
immediate
implicit
inappealable
indisputable
instantaneous
out-and-out
outright
overconfident
oversure
overweening
peremptory
perfect
persuaded
poised
pompous
positive
prompt
proud
quick
rapid
ready
reassured
emphatic
fearless
irrevocable
sisterly
unanimous
unconditional
undeviating
unequivocal
unflinching
ungrudging
unqualified
unquestioning
unreserved
unshakable
unshakeable
unshaken
unshrinking
wholehearted