(informal) Having an autism spectrum disorder or exhibiting traits pertaining to or within the autism spectrum.
Used other than figuratively or idiomatically: see on, spectrum.
Source: en.wiktionary.orgKids don't talk like adults, but kids on the spectrum don't necessarily fall into the same patterns of speaking or have the same interests as other kids their age. Claire LaZebnik
I've worked with tons of people that I know who are on the spectrum - but now I think severe autism has really increased. Temple Grandin
Everyone says to you, 'if you play Ophelia, you'll end up crazy,' but we're all somewhere on the spectrum of mental health, and I think that if you approach it that way it's not such an intimidating issue. Gugu Mbatha-Raw
I'm definitely on the spectrum of socially awkward. Mayim Bialik