instilled (?.)

• chronic
• confirmed
• deep-dyed
• deep-fixed
• deep-rooted
• deep-seated
• deep-set
• deep-settled
• dyed-in-the-wool
• established
• fast
• fixed
• implanted
• incorrigible
• inculcated
• infixed
• ingrained
• inveterate
• irreversible
• long-established
• rooted
• set
• settled
• settled in habit
• thorough