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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.

Around 1- 4% of the population is thought to live with OCD but the number of 16-24 year olds in England reporting symptoms of it has more than tripled in a decade.

From BBC • Jan. 27, 2026

Today, Nina still lives with OCD but has learned how to manage it.

From BBC • Jan. 27, 2026

Does your OCD factor into the learning process?

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

One poor bastard is ADHD, OCD, BPD, bipolar, and on top of it all has some sort of anxiety disorder.

From "All The Bright Places" by Jennifer Niven