As a Noun: 1. The normal variation in individual brain function and individual behaviour found in a human population, especially in the context of autistic spectrum disorders. English = neurodiversity. 2. As a Verb or Adjective: 1. To have neurologically atypical patterns of thought or behaviour, especially with reference to autism. English = (be) neurodiverse. 2. Note: 1. Suggested sign for 'neurodiverse'. 2.