underfurnish
nonacquiescence
erosion
dwindling
declinable
wear
slump
determinable
wanty
fall off a cliff
underequip
dwindling away
infraoptimal
break down
lowerable
diminishable
underreactive
hypoadduction
underadjust
treacherous
underimproved
inefficacy
sufficingness
semiviable
cut
imperviable
smooth
imminution
ineffectiveness
nonstability
nonfailure
undermaintain
subefficacious
rot
underchallenge
meanly
tenuous
undermodification
law of diminishing returns
distendable
immoderation
impaired
slacken
underbound
unreliableness
less is a bore
lightweight
doubtful
evirate