Mild autism is unofficially used to describe level 1 autism, or high-functioning autism. People with mild autism might not get diagnosed until adolescence or adulthood because their traits are subtle.

Borderline autism is not a diagnosis — it is an informal term some people may use to describe mild symptoms of autism spectrum disorder (ASD). Social communication difficulties and repetitive ...

"High-functioning autism" describes autistic people who can complete some daily tasks and blend into society. People with high-functioning autism can have trouble starting conversations and ...