# pervasive developmental disorder

> English word · Noun · IPA /pɜːˈveɪsɪv dɪˌvɛləpˈmɛntl dɪsˈɔːdə(ɹ)/

## Definitions
1. Any of a group of disorders characterized by delays in the development of multiple basic functions including socialization and communication. They were five in the DSM-IV: Asperger syndrome, autism, childhood disintegrative disorder, Rett syndrome, and PDD-NOS.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/pervasive-developmental-disorder