playful
active
activist
activistic
alive
animated
antic
bouncing
bouncy
breezy
brisk
bubbly
capersome
chipper
coltish
ebullient
effervescent
energetic
exuberant
frolicsome
full of beans
full of go
full of life
full of pep
gamesome
gay
hearty
high-spirited
kittenish
larkish
live
lively
mercurial
militant
peppy
perky
pert
prankish
quicksilver
rollicking
rollicksome
rompish
skittish
smacking
snappy
spanking
friskier
friskiest
Wobbly
cheeky
coal-black
day-old
goofy
half-broken
half-grown
jocular
light-hearted
milk-white
mirthful
newborn
spavined
sure-footed
thoroughbred
two-year-old
unbranded
well-fed
risky
whiskey
whisky