Intense

Synonyms for intense
adj forceful, severe; passionate

acute
great
excessive
energetic
extraordinary
powerful
profound
protracted
deep
heightened
intensive
violent
vivid
harsh

fierce
sharp
strong
bitter
extreme
agonizing
ardent
biting
burning
close
concentrated
consuming
cutting
diligent

eager
earnest
exaggerated
exceptional
exquisite
fanatical
fervent
fervid
forcible
full
hard
impassioned
keen
marked

piercing
pungent
shrill
stinging
strained
supreme
vehement
zealous
intensified
undue
all-consuming

Antonyms for intense

stupid
unimportant
ignorant
lazy
superficial
unintelligent
aboveboard
pale
peaceful

kind
indistinct
low-key
slow
blunt
dull
weak
moderate
shallow

mild
soft
gentle
calm
nice
bland
low
agreeable