Translation guide
The English word "disorder" covers a wide range of meanings, from medical conditions to chaos and untidiness. This guide breaks down the most useful Japanese equivalents for English-speaking learners, organized by intended meaning.
Referring to a diagnosed illness, syndrome, or mental health condition.
The most common and general term for a medical or mental disorder. Often used in compound words.
He suffers from a sleep disorder.
I was diagnosed with a developmental disorder.
A suffix meaning 'syndrome' or 'condition', often used in formal medical terms. Less broad than 障害.
Irritable bowel syndrome is a common digestive disorder.
A formal medical term for disease or disorder. Often used in written or clinical contexts.
The cause of this disorder has not yet been clarified.
A suffix meaning 'disease' or 'illness'. Can sound more serious or chronic. Often used in established disease names.
He was diagnosed with Parkinson's disease.
Describing a situation of violent or noisy public unrest.
Refers to a riot, disturbance, or public disorder. Often used in news reports.
The demonstration turned into a disorder.
General confusion, chaos, or disorder. Can be used for both physical and abstract situations.
Literally 'without order', emphasizing a lack of rules or structure. More abstract.
Describing a physical space that is messy, cluttered, or not neat.
Describes a messy, cluttered, or disorderly state of things. Commonly used for rooms or desks.
His room is always in disorder.
An intransitive verb meaning 'to be messy' or 'to be in disorder'. The transitive form is 散らかす.
Do not confuse with 散らかす (to make a mess).
An onomatopoeic word describing a jumbled, messy, or disorderly state. Casual.
Referring to a situation, organization, or plan that lacks structure or rules.
Emphasizes the absence of order or rules. Suitable for abstract contexts like society or systems.
A state of disorder continues.
Confusion or disorder in a system or process. Often implies things are not going as planned.
Disorder, disturbance, or irregularity. Often used in set phrases like 秩序の乱れ (breakdown of order).
障害 (shougai) is the broadest term for 'disorder', covering both physical and mental conditions, and often implies a lasting impairment. 疾患 (shikkan) is a formal medical term for disease or disorder, used in clinical contexts. 病気 (byouki) is the general word for 'illness' or 'sickness', and is more common in everyday speech. For mental disorders, 精神疾患 (seishin shikkan) or 心の病気 (kokoro no byouki) are also used.
When talking about medical conditions, never use 無秩序 (muchitsujo), which means 'chaos' or 'lack of order'. Stick to 障害, 症, or 疾患.
停電で街は大混乱に陥った。
The blackout threw the city into disorder.
戦争中、国は無秩序状態だった。
During the war, the country was in a state of disorder.
机の上が散らかっている。
The desk is in disorder.
引き出しの中がごちゃごちゃだ。
The inside of the drawer is in disorder.
会社の経営が混乱している。
The company's management is in disorder.
規律の乱れが問題だ。
The disorder in discipline is a problem.