insatiate
1. [ adjective ] impossible to satiate or satisfy
Synonyms: unsatiable insatiable
Examples:

"an insatiable appetite" "an insatiable hunger for knowledge"

Related terms: satiate unsated unsatisfiable quenchless
Similar spelling:   instigate
  inactivate
  insatiable
  instigant
  in_stride
  institute
  insatiably
  instantiate
  inchoative
  instillator
  instinct
  incitive
  instillation
  instigative
  inactivation
  in_store
  in_style
  inactive
  instil
  instigator
  instilment
  in-situ
  institution
  in_stages
  instigation
  instill
  incitation
  in_situ