DLD Developmental Language Disorder in Teenagers
- Suzanne Turner
- Jan 11
- 5 min read
This article explains what Developmental Language Disorder (DLD) can look like in teenagers and why language difficulties often become more noticeable in adolescence. It explores the links between language, learning, emotional wellbeing, and identity, and offers practical ways parents can support communication at home and alongside school. It focuses on everyday support, includes guidance relevant to AAC users, and acknowledges that some young people follow different language pathways, including Gestalt language development.
Understanding communication, learning, and emotional wellbeing in adolescence
Many parents are surprised to hear the term Developmental Language Disorder (DLD) used in relation to teenagers.
They may have been told their child would “grow out of it”, or that earlier speech and language difficulties were no longer relevant. Yet as language demands increase in secondary school and beyond, difficulties often become more visible, not less.
For teenagers with DLD, communication can be hard work, even when they appear bright, capable, and verbally fluent on the surface.
DLD Explained
Developmental Language Disorder (DLD) is a neurodevelopmental condition that affects how a person understands and uses language. It is identified by a speech and language therapist and is not explained by intellectual disability, hearing loss, or lack of opportunity.
We don’t know the exact cause of DLD. Research suggests that the brain systems involved in speech, language, and communication may be wired slightly differently. These differences are subtle and don’t show up on brain scans. Genetics also play a role, as DLD is more common in families, but there is no single test or gene that identifies it.
Parents do not cause DLD. It is not the result of parenting or environment. With the right understanding and support, children and young people with DLD can do very well.
DLD is more common than many people realise affecting around two children in every primary school classroom and is often hidden, especially in children who speak clearly.
DLD is a persistent difficulty with language, meaning it continues over time, although how it shows up can change as children grow.
DLD can affect:
· understanding spoken language
· expressing ideas clearly
· finding the right words
· organising sentences and narratives
· remembering verbal information
· understanding figurative or abstract language
Many young people with DLD speak clearly and use long sentences. This can make their difficulties easy to miss particularly in busy classrooms or social situations where language demands are high.
Why DLD can become more noticeable in adolescence
As children move into secondary school, language demands increase sharply.
Teenagers are expected to:
follow fast-paced, language-heavy lessons
understand abstract concepts
infer meaning rather than being told directly
explain their thinking in detail
navigate complex social communication
For young people with DLD, these demands can exceed what feels manageable.
This can lead to:
increasing fatigue
withdrawal from discussion
reduced participation
avoidance of talking
frustration or emotional distress
The difficulty isn’t a lack of motivation; it’s the increased cognitive and language load.
DLD, learning, and memory
Language plays a central role in learning.
Teenagers with DLD often find it harder to:
hold verbal information in mind
follow multi-step instructions
take notes while listening
revise using written materials alone
explain what they know under pressure
This can affect performance across subjects even when understanding is there.
Without the right support, young people may begin to believe they are “bad at school”, despite strong thinking skills.
Social communication and friendships
DLD doesn’t just affect academic language.
Teenagers with DLD may also struggle with:
understanding implied meaning
keeping up with fast-moving conversations
finding the right words in social situations
repairing misunderstandings
This can make friendships harder to manage and increase the risk of:
social withdrawal
anxiety
low self-esteem
Repeated experiences of being misunderstood can lead teenagers to speak less, not more.
Language and emotional wellbeing
There is a strong link between language difficulties and mental health.
Teenagers with DLD are at higher risk of:
anxiety
low mood
emotional overwhelm
This is not because of DLD itself, but because:
expressing feelings is harder
asking for help is more demanding
misunderstandings happen more often
When emotions run high, access to language often drops further creating a cycle that can be hard to break without support.
How parents can support teenagers with DLD at home
You don’t need to be a speech and language therapist to make communication feel easier.
Helpful approaches often include:
Reducing language load
Use clear, concise language
Break information into smaller parts
Avoid giving multiple instructions at once
Supporting understanding
Check understanding gently (“What do you think this is asking?”)
Use visuals, written keywords, or examples
Allow extra processing time
Supporting expression
Accept pauses and word-finding difficulty
Encourage different ways to communicate (notes, text, AAC, drawing)
Avoid finishing sentences unless invited
Supporting emotional conversations
Choose low-pressure moments
Reduce questions during emotional distress
Reflect rather than probe (“That sounds really hard.”)
DLD, AAC, and different communication pathways
Some teenagers with DLD benefit from AAC to support understanding and expression either temporarily or long-term.
AAC:
can reduce pressure
supports access to language
can increase confidence and participation
Some young people with DLD may also show features of Gestalt language development, particularly under stress or fatigue. Respecting their communication style and focusing on meaning rather than form supports connection.
The role of speech and language therapy in adolescence
Speech and language therapy remains highly relevant for teenagers with DLD.
SLTs can support:
understanding complex language
expressive language and organisation
social communication
emotional language
self-advocacy
AAC use
Support in adolescence can help with confidence, mental health, and long-term outcomes.
DLD does not disappear — but it does change.
With the right understanding and support, teenagers with DLD can:
communicate effectively
build strong relationships
succeed academically
develop a positive sense of self
