draining (adj.)
- clamant
- clamorous
- cracking
- crying
- decadent
- degenerate
- demanding
- drooping
- dwindling
- effete
- enervating
- enfeebling
- exacting
- exhausting
- exigent
- exorbitant
- extortionate
- fading
- failing
- falling
- flagging
- grasping
- grueling
- importunate
- insistent
- instant
- killing
- loud
- persistent
- pertinacious
- pressing
- punishing
- regressive
- retrograde
- retrogressive
- sliding
- slipping
- straining
- stressful
- sucking
- taxing
- tiresome
- tiring
- toilsome
- trying
- urgent
- waning
- weakening
- wearing
- wearisome
- wearying
- withering
- worsening