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OCD

American  
  1. Office of Civil Defense.

  2. obsessive-compulsive disorder.


OCD British  

abbreviation

  1. okta

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Some people also find it helpful to visualise OCD as something separate.

From BBC • Jan. 27, 2026

If a sentence ends with a “th” or a “d,” that’s a bad thing in my OCD world.

From The Wall Street Journal • Dec. 6, 2025

He recognized those symptoms later while watching an expert on TV discuss OCD, and says he forced himself not to do it.

From Los Angeles Times • Nov. 12, 2025

Children and adolescents with OCD across England can receive treatment at a national centre at the Maudsley Hospital in London.

From BBC • Oct. 24, 2025

They think depression is simply a form of being sad, that OCD is a form of being uptight.

From "Every Day" by David Levithan