deep-seated
Definitions
Firmly established and difficult to change or remove.
Existing at a very profound or intense level within a person or organization.
Examples
The politician's deep-seated prejudice against change made it difficult for him to support the new policy.
She struggled to overcome her deep-seated fear of public speaking that had haunted her since childhood.
Synonyms
ingrained entrenched rooted inveterate firmly established deep-rooted chronic
Antonyms
superficial shallow fleeting transient temporary surface-level insubstantial