beat
blow
break
break down
burn out
cave in
collapse
come apart
come unstuck
conk out
crack up
crumble
debilitate
decline
desiccate
diminish
disintegrate
do in
do up
droop
drop
dry up
dwindle
enervate
exhaust
exude
fade
fade away
fag
fag out
fail
faint
fatigue
fizzle out
flag
frazzle
gasp
get tired
give out
give way
go downhill
go soft
go to pieces
grow weary
harass
hit the skids
jade
knock out
knock up
will
decay
dilapidate
weaken
weakening
wilted
wilting
wilts
autumnal
crestfallen
dehydrate
dewy
discomfit
endive
fibrous
half-blown
herbaceous
hothouse
intoxicated
limp
maim
prickly
rumple
russet
scorch
sodden
unfading
waxy
wither
woody
worst
built
gilt
guilt
hilt
jilt
kilt
lilt
milt
overbuilt
quilt
rebuilt
silt
spilt
stilt
tilt
unbuilt