flinty
1. [ adjective ] showing unfeeling resistance to tender feelings
Synonyms: stony obdurate
Examples:

"the child's misery would move even the most obdurate heart"

Related terms: hardhearted
2. [ adjective ] having austere inflexibility
Synonyms: unyielding granitic
Examples:

"a flinty manner" "granitic morality" "his unyielding mouth and glassy eyes"- Marchette Chute

Related terms: inflexible
Similar spelling:   flint
  flaunty
  Flynt
  fluently
  fluent
  flaunt
  flintlock
  flindosy
  flaunting