Welcome to RADLD.ORG, created to Raise Awareness of Developmental Language Disorder or ‘DLD’. Here you will learn more about DLD, access resources and find out how to raise awareness.

SAVE THE DATE | DLD Day #dldday

Friday 20 October 2023

The 2023 DLD Day theme is ‘DLD Around the World’.

Please share our website with family, friends and professionals. Our website is constantly growing, so please check in regularly. Send us your ideas or links to your own resources or activities about DLD to hello@radld.org.



Click on a highlighted country to see our international committee pages:



Meet RADLD Spokesperson Marie-Soleil Labelle “Sunny”

Hear about Growing with DLD from our RADLD Spokesperson Race Car Driver Marie-Soleil Labelle “Sunny”.



The 2023 Dorothy Bishop lecture 

Half the WORLD is bilingual! We need to shift away from a monolingual lens

Join RADLD for our annual Dorothy Bishop lecture in the lead up to #DLDday 2023 presented by Prof. Elizabeth Peña!

Book your tickets here via eventbrite

Learn more about RADLD

Learn more about DLD

  • DLD Quiz

    How well do you know Developmental Language Disorder? Take our short quiz to test your knowledge.

    More information
  • Resources

    Here we share resources to help build your knowledge of this hidden but common condition.

    More information
  • DLD Awareness Day

    SAVE THE DATE | #DLDDAY 2023 FRIDAY 20 OCTOBER 2023 Developmental Language Disorder is a hidden but common disability that affects 1 in 14 people causing difficulties understanding and using language for no known reason. The 2023 DLDday theme is DLD Around the World, highlighting that DLD occurs in every...

    More information

Developmental Language Disorder

Developmental Language Disorder (DLD) is the new term to replace Specific Language Impairment (SLI). Developmental Language Disorder is diagnosed when children fail to acquire their own language for no obvious reason. This results in children who have difficulty understanding what people say to them, and struggle to articulate their ideas and feelings. Recent research has shown that, on average,...

More information


  • Born to Make a Difference | Marie-Soleil Labelle

    Race car driver Marie-Soleil Labelle races to raise awareness of DLD/TDL as RADLD’s first official Spokesperson Quebec (CA) Race car driver and bilingual French-English speaker, Marie-Soleil Labelle is known affectionately as ‘Sunny’. RADLD is excited to announce that Sunny has joined us as our first official spokesperson. Sunny has…

    read more
  • Amelia Proves That DLD Kids Can Thrive When Given Access to Support

    Amelia, a 9-Year-Old UK school girl and RADLD Ambassador, is living her best life. With support, she continues to reach her goals despite being diagnosed with an ‘invisible’ communication disability affecting 2 students in every class of 30. Amelia loves to be busy! She plays the cornet, enjoys dance,…

    read more
  • DLD Hasn’t Stopped Racing Car Driver Marie-Soleil Labelle From Achieving Her Dreams

    Marie-Soleil Labelle is a young racing car driver from Quebec. Marie-Soleil has Developmental Language Disorder. What an inspiration! This video is in French, but you can add auto-subtitles if French is not your language. Thank you Marie-Soleil for sharing your story with RADLD.

    read more

Get involved

RADLD is a movement of passionate academics, researchers, health professionals, educators and families from around the world committed to raising awareness of Developmental Language Disorder (DLD).

EventsPartner with us

Stay up to date

Get the latest updates from the RADLD team straight to your inbox.