What does autism mean?
Autism is a noun referring to a lifelong neurodevelopmental condition defined by differences in social communication and interaction together with restricted or repetitive patterns of behaviour and interest. First named in the early twentieth century by Swiss psychiatrist Eugen Bleuler from the Greek autos, meaning "self", it was once understood narrowly as a rare form of childhood psychosis before being redefined as a distinct developmental condition. Clinicians today diagnose it as autism spectrum disorder (ASD), reflecting the enormous range in how traits appear: some autistic people require substantial daily support, while others live independently and may be diagnosed late in life. Usage has shifted accordingly — many writers and autistic self-advocates prefer identity-first language such as "autistic person", and the condition is generally framed as a variation in human neurology rather than a disease. Common phrases include "on the autism spectrum" and "high-functioning autism", though the latter is increasingly debated within the autistic community.
nounA developmental condition characterized by differences in social communication and interaction, alongside restricted or repetitive patterns of behavior and interests. It is now understood as a spectrum, varying widely in presentation and support needs.
- A lifelong neurodevelopmental condition marked by differences in social communication and interaction and by restricted, repetitive patterns of behaviour or interest.
"Her son was diagnosed with autism at the age of three."
"Early intervention can make a significant difference for children with autism."
"The conference explored how workplace environments can better support employees on the autism spectrum."
Rarely used; occasionally appears in academic writing to emphasize that autism comprises a heterogeneous set of conditions rather than a single entity. In everyday usage the word functions as an uncountable mass noun.
"Clinicians increasingly speak not of a single autism but of multiple autisms, each with its own profile of strengths and support needs."
The word 'autism' comes from the Greek 'autos', meaning 'self' — coined by Swiss psychiatrist Eugen Bleuler in the early 20th century to describe withdrawal into one's own inner world.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of autism
The word autism derives from the Greek autos, meaning "self", combined with the suffix -ism. It was coined in German as Autismus by Swiss psychiatrist Eugen Bleuler around 1912–1916, initially describing a patient's withdrawal into their own inner world. English adopted the term shortly afterwards through psychiatric literature. It shares its Greek root with words such as autocrat, autonomy, autograph, and automatic, all built on the same notion of the self.
Related word forms
How autism is actually used
Current style, reflected in many major publications, prefers identity-first phrasing such as "autistic person" or "person with autism" according to individual preference; many autistic self-advocates favour identity-first language. The older term Asperger's syndrome has largely been folded into the broader diagnosis of autism spectrum disorder in clinical manuals such as DSM-5. Avoid framing autism as an illness to be cured; contemporary usage treats it as a natural variation in neurodevelopment.