Dictionary.com
Thesaurus.com

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.

"Drawing what OCD looks like can help - there's me and there's OCD, and those are two different things."

From BBC • Jan. 27, 2026

When it is coded simply as generalized anxiety or OCD, patients often receive reassurance or validation that briefly soothes them but ultimately reinforces the fixation.

From The Wall Street Journal • Nov. 12, 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

The mother says the UK is failing in its treatment of young people with severe OCD.

From BBC • Oct. 24, 2025

Ms. McCleary doesn’t say anything about the OCD dance—most adults don’t—but she’s also good at hiding her surprise.

From "The Miscalculations of Lightning Girl" by Stacy McAnulty