fetishistic

/ˌfɛtɪˈʃɪstɪk/
adjective
  1. Relating to or characterized by an excessive or irrational devotion to something.
    • His fetishistic attention to detail made him a perfectionist at work.
    • Her fetishistic interest in vintage cameras led her to travel the world finding rare models.
    • The brand has a fetishistic following among teenagers who collect every new release.
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