waning (n.)
waning (adj.)
- aging
- calm
- cloistered
- cool
- cracking
- decadent
- decreasing
- decrescendo
- degenerate
- deliquescent
- diminishing
- diminuendo
- doting
- draining
- drooping
- dwindling
- dying
- effete
- fading
- failing
- falling
- flagging
- halcyon
- hushed
- impassive
- isolated
- moldering
- pacific
- peaceable
- peaceful
- placid
- quiescent
- quiet
- receding
- reductive
- regressive
- reposeful
- restful
- resting
- retiring
- retrograde
- retrogressive
- secluded
- senescent
- sequestered
- sheltered
- shrinking
- sliding
- slipping
- smooth
- still
- stilly
- stoic
- stolid
- tranquil
- unagitated
- undisturbed
- unmoved
- unperturbed
- unruffled
- untroubled
- withering
- worsening