DLD at Different Ages: How Language Demands Change from Early Childhood to Adolescence

You may first notice language differences when a young child is learning new words or trying to follow a two-step instruction. Years later, the same child may speak in full sentences, chat about favourite interests and still find it difficult to explain a complex idea, understand an implied instruction or organise an essay response.

That change can be confusing for families. It may look as though the earlier difficulty has disappeared, or as though a new problem has suddenly emerged. In reality, Developmental Language Disorder, or DLD, is persistent. The way it affects everyday life can change as the language around a child becomes faster, more abstract and more demanding.

DLD Awareness Day is an opportunity to look beyond how many words a person can say and consider what language is asking them to do at each stage of growing up.

What is Developmental Language Disorder?

Developmental Language Disorder is a persistent difficulty understanding and/or using spoken language that affects everyday communication, learning or participation. It is not explained by a known biomedical condition. DLD can occur alongside other differences, and it does not indicate low intelligence, poor parenting, laziness or a lack of effort.

Children and teenagers with DLD are not all alike. One person may find it harder to understand long spoken explanations. Another may know what they want to say but need more time to organise the words. Some have difficulty with vocabulary and grammar, while others find storytelling, reading comprehension or written expression especially demanding.

Why DLD may look different as children grow

Language expectations do not stay still. A preschool child may need language to request help, learn new words and join simple play. A primary school student is expected to follow classroom discussion, understand stories and explain ideas. In high school, students meet subject-specific vocabulary, figurative language, rapid discussion and increasingly complex written tasks.

This means a young person can make genuine progress and still need support. The difficulty has not necessarily become worse. The gap between their current language skills and the demands of the environment may simply be more visible.

DLD in early childhood

In the early years, families may notice that learning and using language takes more effort. A child might:

• learn new words more slowly or need many opportunities to hear and use them;
• find it difficult to follow instructions, particularly when several pieces of information are included;
• use shorter sentences or leave out small grammatical words and endings;
• rely on gesture, familiar routines or the immediate situation to support understanding;
• know what they want but find it hard to put the message into words.

These examples are not a checklist for diagnosis. Children develop in different ways, and language can also be influenced by hearing, multilingual development, attention, opportunities for interaction and other factors. A speech pathologist considers the whole child and how communication is working across everyday settings.

Helpful support in the early years

Practical support can be woven into ordinary routines. Adults can use clear sentences, pause after speaking, show what key words mean and repeat important information without turning every interaction into a test.

During play or book sharing, it can help to follow the child’s interest, add one useful idea and give them several ways to respond, including words, gesture, pointing or AAC.

DLD in the primary school years

At school, language becomes both the subject of learning and the main tool used to learn everything else. A student may be expected to listen, remember, read, infer, explain and write, often within the same lesson.

DLD may become visible through difficulty:

• retelling events in an organised order;
• identifying the most important information in a story or classroom explanation;
• understanding curriculum vocabulary and words with several meanings;
• interpreting complex sentence structures;
• answering open questions that require explanation rather than a short factual response;
• connecting oral language with reading comprehension and written expression.

A student may understand more than they can express quickly. They may give a brief answer even when their thinking is detailed, or begin a task before fully understanding the instruction because the class has already moved on. This should not be interpreted automatically as carelessness or disengagement.

Helpful support at school

Making language more visible can reduce unnecessary barriers. Useful options include written key words, visual sequences, examples of a finished task, pre-teaching important vocabulary and checking understanding in a way that does not require the student to repeat the teacher’s exact words.

Breaking information into manageable parts can support access while keeping expectations meaningful.

DLD in adolescence

Teenagers often sound more fluent than they did when they were younger, so language needs can become easier to miss. High school communication also happens quickly. Teachers explain, question and shift topics; peers use humour and implied meanings; students are expected to take notes, justify opinions and organise extended spoken and written responses.

A teenager with DLD may need support to:

• explain a complex idea in a clear sequence;
• understand abstract or figurative language;
• keep up with fast classroom discussion;
• work out what an indirect instruction is asking them to do;
• learn and use specialised vocabulary across several subjects;
• plan, draft and revise written work;
• ask for clarification or repair a misunderstanding.

These needs can affect participation as well as academic work. A teenager may avoid contributing when answers must be produced quickly, agree that they understand to avoid attention, or use humour and short responses to manage a demanding conversation.

Respectful support begins with curiosity about what makes communication easier, not assumptions about motivation.

Supporting communication without lowering expectations

Support is most useful when it improves access and preserves the young person’s agency. Depending on age and preference, this may include:

• allowing extra processing time before expecting an answer;
• providing important information in spoken and written forms;
• explaining unfamiliar vocabulary with examples and context;
• using planning templates for stories, explanations or assignments;
• offering choices about whether to respond by speaking, writing, typing, drawing or using AAC;
• checking privately whether instructions are clear;
• involving the child or teenager in decisions about what support feels helpful.

The goal is not to remove every challenge or make someone communicate in one preferred way. It is to ensure language demands do not unnecessarily block learning, relationships, self-expression or participation.

How a speech pathologist can help

A speech pathologist can explore a young person’s strengths and needs across understanding, vocabulary, grammar, narrative, conversation, reading-related language and written expression.

Assessment is only one part of the process. Information from the child or teenager, family and educators helps identify which situations matter most.

Support may involve direct work with the young person, practical strategies for home or school, collaboration with teachers and adjustments to communication environments. For teenagers, useful goals might include understanding classroom language, planning an oral presentation, organising an extended response or developing ways to request clarification and advocate for support.

When professional guidance may be useful

Consider seeking advice when language differences are persistent, occur across settings or are making it harder for a child or teenager to learn, communicate what they know, maintain relationships or participate in everyday activities.

It can also be useful to review support when a student moves into a new stage of schooling and the language demands change.

You do not need to wait for a young person to fail before asking questions. A speech pathologist can help clarify what is happening and discuss whether assessment, monitoring, environmental changes or targeted support may be appropriate.

Communication grows with them

DLD does not simply disappear when a child begins speaking in longer sentences. Its presentation can change as communication becomes more complex. Recognising this helps families and educators respond to the demands around the young person, rather than judging only the words they can say.

With communication that is clear, accessible and responsive to the individual, children and teenagers can have more opportunities to show what they know, express their ideas and participate on their own terms.

If you would like to discuss language support for a child or teenager in Sydney, Bondi Junction or the Eastern Suburbs, you are welcome to contact Speakable Speech Pathology.

Frequently asked questions

Does DLD go away when a child gets older?

DLD is considered persistent, although its impact and presentation can change. A child may develop stronger everyday conversation skills while continuing to need support with complex classroom language, reading comprehension, writing or explaining ideas.

Can a teenager have DLD even if they speak clearly?

Yes. Speech clarity and language are different. A teenager may pronounce words clearly but find it difficult to understand complex information, organise a response, learn new vocabulary or interpret implied meaning.

Is DLD related to intelligence or effort?

No. DLD is not evidence of low intelligence, poor motivation or inadequate parenting. A young person may understand a topic well while needing more accessible language or extra time to communicate that knowledge.

What can schools do to support a student with DLD?

Support may include clear instructions, written key points, explicit vocabulary teaching, visual planning tools, processing time and flexible ways to demonstrate learning. Adjustments should be discussed with the student and reviewed as demands change.

References

• Bishop, D. V. M., Snowling, M. J., Thompson, P. A., Greenhalgh, T., & CATALISE Consortium. (2017). Phase 2 of CATALISE: Terminology. Journal of Child Psychology and Psychiatry. https://doi.org/10.1111/jcpp.12721
• Norbury, C. F., et al. (2016). The impact of nonverbal ability on prevalence and clinical presentation of language disorder. Journal of Child Psychology and Psychiatry. https://doi.org/10.1111/jcpp.12573
• Speech Pathology Australia. DLD Awareness Day. https://www.speechpathologyaustralia.org.au/Public/Public/About-Us/News-media-campaigns/Media-releases/DLD-Awareness-Day.aspx
• Raising Awareness of Developmental Language Disorder. About DLD. https://radld.org/about/
• Ziegenfusz, S., Paynter, J., Flückiger, B., & Westerveld, M. F. (2022). A systematic review of academic achievement in students with DLD. Autism & Developmental Language Impairments. https://doi.org/10.1177/23969415221099397