Definition of "OCD"

OCD

noun
uncountable
1. (medicine, psychology) Initialism of obsessive-compulsive disorder.
2. (medicine) Initialism of osteochondritis dissecans.
3. (publishing, history) Initialism of Oxford Classical Dictionary.
adjective
comparative more OCD, superlative most OCD
1. (figurative, sometimes offensive) Exhibiting an obsessive tendency.
  Quotations
  Three years and you still have your ex's things? Lizzy, I knew you were uptight and OCD, and often humorless.
  2015, “Out of the Closet”, in One Big Happy, season 1, episode 2, spoken by Prudence (Kelly Brook)
  So I wanted to get us some simple takeout but of course, I started obsessing over what you'd be in the mood for. Hence, we have the OCD buffet of sushi, steak, and pasta.
  2020, Leigh Whannell, The Invisible Man, spoken by Adrian Griffin
proper noun
1. (Philippines) Initialism of Office of Civil Defense.