AUTISTIC
autistic
(adjective) characteristic of or affected with autism; “autistic behavior”; “autistic children”
Source: WordNet® 3.1
Etymology
Adjective
autistic (comparative more autistic, superlative most autistic)
Having autism, or pertaining to autism.
Synonym: on the spectrum
(now, pejorative, offensive, slang, and medically obsolete) Socially inept, self-absorbed, or stupid.
(slang, derogatory, offensive) Used to express dislike: lame, uncool, stupid.
(internet slang, 4chan, offensive or self-deprecating) Characterized by abnormal and unhealthy focus or persistence, and unhealthy hatred of opposition or criticism.
Noun
autistic (plural autistics)
A person who has autism.
Synonyms
• autist
Hyponyms
• idiot savant (potentially offensive)
Source: Wiktionary