decisive
domineering
imperative
absolute
absolutist
absolutistic
admitting no exception
all-out
arbitrary
aristocratic
arrogant
authoritarian
authoritative
autocratic
bigoted
binding
bossy
categorical
certain
clear
commanding
compelling
complete
compulsory
conceited
conclusive
de rigueur
decided
decretal
decretive
decretory
definite
definitive
despotic
determinate
dictated
dictating
dictatorial
directive
doctrinaire
doctrinarian
dogmatic
dogmatical
abrupt
brusque
businesslike
cryptic
curt
emphatic
explicit
forceful
harsh
hasty
imperious
laconic
scornful
strident
urgent
vehement