adjective

• 1 informal Characterized by great enthusiasm for and knowledge about a particular subject, especially one of specialist or niche interest.

  More example sentences

  • ‘the most nerdish of hobbies’
  • ‘the nerdish complexities of modern motorcycling terminology’
  • ‘a real fan's nerdish attention to detail’
• 2 informal, derogatory Unfashionable and lacking in social skills or boringly studious.

  More example sentences

  • ‘a somewhat nerdish computer geek’