failing (n.)
- blemish
- bug
- catch
- comedown
- crack
- cracking
- debasement
- decadence
- decadency
- decadent
- declension
- declination
- decline
- defect
- defection
- deficiency
- deformation
- degeneracy
- degenerate
- degeneration
- degradation
- demotion
- depravation
- depreciation
- derogation
- descent
- deterioration
- devolution
- downturn
- drawback
- drop
- dwindling
- dying
- ebb
- ebbing
- fading
- failure
- fall
- fault
- flagging
- flaw
- foible
- frail
- frailty
- hole
- imperfect
- imperfection
- inadequacy
- incompetent
- infant
- infirmity
- invalid
- involution
- kink
- lacking
- lame
- lapse
- pale
- part
- partial
- pining
- problem
- regression
- retrogression
- rift
- sans
- scant
- scanty
- short
- shortcoming
- shy
- sinking
- sliding
- slippage
- slump
- snag
- subsiding
- taint
- unfortunate
- valetudinarian
- vice
- wane
- waning
- wasting
- weakness
- wilting
- withering
- worsening
failing (adj.)
- abortive
- bootless
- cachectic
- callow
- crack
- cracking
- debilitated
- decadent
- defective
- deficient
- degenerate
- descent
- drained
- draining
- drooping
- dwindling
- dying
- effete
- embryonic
- enervated
- exhausted
- fading
- falling
- fault
- feeble
- flagging
- frail
- fruitless
- futile
- hole
- immature
- imperfect
- inadequate
- incompetent
- incomplete
- ineffective
- ineffectual
- inefficacious
- infirm
- insufficient
- invalid
- lacking
- lame
- manque
- missing
- moribund
- pale
- part
- partial
- patchy
- peaked
- peaky
- reduced
- regressive
- retrograde
- retrogressive
- rift
- run-down
- scant
- scanty
- scarce
- scrappy
- short
- shy
- sickly
- sketchy
- sliding
- slipping
- stillborn
- underdeveloped
- undeveloped
- unfortunate
- unhealthy
- unqualified
- unsatisfactory
- unsatisfying
- unsound
- unsuccessful
- useless
- valetudinarian
- valetudinary
- vice
- waning
- wanting
- weakened
- weakly
- withering
- worsening
And lovelier things have mercy shown
To every failing but their own;
And every woe a tear can claim,
Except an erring sister's shame.
