continual
imperative
acute
affirmative
assertive
assiduous
burning
cajoling
clamant
clamorous
coaxing
compelling
confident
constant
continuing
critical
crucial
crying
demanding
determined
diligent
dire
dogged
draining
dunning
emphatic
enduring
exacting
exigent
exorbitant
extortionate
faithful
firm
forceful
grasping
high-pressure
high-priority
immutable
imperious
importunate
inalterable
indefatigable
indomitable
industrious
inexorable
insisting
instant
invincible
lasting
loud
loyal
incumbent
insist
insistence
compel
discordant
frantic
incessant
monotonous
penetrate
persistent
plaintive
shrill
steady
urgent
assistant
consistent
distant
existent
inconsistent
nonexistent
resistant
self-consistent