# OCD

Source: https://englishreference.com/word/ocd
Updated: 2026-08-27

## Senses

### 1. mental health condition

noun · CEFR B2 · Technical

Stands for Obsessive-Compulsive Disorder. A condition where someone has repetitive thoughts and feels they must perform certain tasks to feel safe.

For teachers: Abbreviation for Obsessive-Compulsive Disorder. A clinical anxiety disorder characterized by persistent, intrusive thoughts (obsessions) and repetitive mental or physical acts (compulsions).

- He sought therapy to help manage his OCD and reduce his anxiety.
- Clinical OCD involves significant distress and time-consuming rituals that interfere with a person's ability to maintain a normal daily routine.

Usage: Usually treated as an uncountable noun in medical contexts.

### 2. obsessive or neat

adjective · CEFR C1 · Informal

Used to describe someone who is extremely organized or worried about small details.

For teachers: Used figuratively to describe a person who is excessively orderly, meticulous, or preoccupied with minor details.

- I am a bit OCD about keeping my desk perfectly clean.
- The project manager was famously OCD about formatting, insisting that every bullet point in the report be perfectly aligned.

Teaching tip: This informal use is common but can be considered offensive by people who have the actual medical condition, as it trivializes a serious illness.

## Examples

- He manages his OCD with therapy and medication.
- While many joke about having OCD because they like a clean desk, the clinical reality involves debilitating rituals that disrupt daily life.
- Clinical research into OCD suggests that the condition involves a feedback loop between the orbitofrontal cortex and the basal ganglia, leading to the characteristic cycle of obsessions and compulsions.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.