Meaning & use
OCD
Last updated
Meanings
noununcountablemedical
a mental health condition in which a person has repeated unwanted thoughts and feels forced to perform certain actions
Grammar: Uncountable: say 'She has OCD', not 'She has an OCD'.
Patterns
- have OCD
- suffer from OCD
- OCD symptoms
He was diagnosed with OCD after years of compulsive hand-washing.
OCD can make everyday tasks feel overwhelming.
Treatment for OCD often includes therapy and medication.
noununcountableinformaldisapproving
used informally to describe someone who is very neat or particular about small details
Grammar: Informal and often considered insensitive; not a medical use.
Patterns
- be a bit OCD about something
She's a bit OCD about keeping her desk perfectly arranged.
Don't be so OCD about the order of the files.
Common combinations
- diagnosed with OCD
- He was diagnosed with OCD in his twenties.
- OCD symptoms
- OCD symptoms can get worse during stressful periods.
- suffer from OCD
- Many people suffer from OCD in silence.
- a bit OCD
- I'm a bit OCD about checking that the door is locked.
Synonyms and how they differ
- obsessive-compulsive disorder
- The full medical name; use it in formal or medical writing, while OCD is the common abbreviation.
Commonly confused: OCD or OCPD?
OCD vs OCPD
OCPD stands for obsessive-compulsive personality disorder, a different condition focused on perfectionism and control rather than unwanted thoughts and rituals.
Practice
Which sentence uses 'OCD' correctly and sensitively?
Choose one answer.
Option B correctly uses 'OCD' as an uncountable noun after 'diagnosed with'. Option A wrongly adds 'an', and C and D use it as a verb, which is not standard.
Make it your own
Write a sentence using “OCD”, then check it and compare it with the examples above.