energetic Antonyms
lethargic
spavined
spent
spineless
spiritless
stagnant
static
stertorous
stock-still
slow
somnolent
sluggish
slumbery
slumbrous
snail-paced
soporiferous
snoring
soft
somnific
stone-dead
strengthless
stultified
uninterested
unpowerful
unready
unsecure
unused
unwell
vacant
valetudinarian
unconcerned
unactive
suicidal
supine
tabetic
tallow-faced
tepid
tired
toddling
torpid
valetudinary
slothful
sleepyhead
quietistic
rachitic
rasping
reck
reflexive
remiss
retroactive