unaccustomed russian

• отвы́кнуть

  to get out of the habit of, to break a habit, to become unaccustomed to

• непова́дный

  unaccustomed, not in the habit of, not prone to

• непривы́кший

  unaccustomed

• отвы́кший

  unaccustomed, out of the habit of

• оту́ченный

  weaned, broken of a habit, unaccustomed

Examples

• Я к э́тому не привы́кла.I'm unaccustomed to this.
• Я к тако́му не привы́кла.I'm unaccustomed to this.