healthy
lively
active
activist
activistic
alive
animated
beefy
big
bouncy
bounding
breezy
brisk
bubbly
buxom
chipper
doughty
ebullient
effervescent
energetic
excessive
flush
forceful
forcible
forcy
frisky
full of go
full of life
full of pep
full-blooded
full-strength
gutsy
gutty
hale
hale and hearty
hard
hard as nails
hardy
hearty
hefty
hopping
husky
iron-hard
jumping
leaping
live
lusty
mercurial
mighty
militant
backlash
rebound
recoil
repercussion
announcing
denouncing
mispronouncing
pouncing
pronouncing
renouncing
trouncing