intransigent
1. [ adjective ] not capable of being swayed or diverted from a course; unsusceptible to persuasion
Synonyms: adamant inexorable adamantine
Examples:

"he is adamant in his refusal to change his mind" "Cynthia was inexorable she would have none of him"- W.Churchil

Related terms: inflexible
Similar spelling:   intransigency
  intransigence
  intransitive
  intransitivize
  intransitivity
  intransitivise
  intransitively
  intrusive
  intrusion
  intrasentential
  intrenchment
  intravenous
  intra_vires
  intracutaneous
  intrastate
  intralinguistic