20/11/2025
š¼ Does Bilingualism Cause Speech Delay? Letās Clear the Confusion!
Many parents worry that introducing two languages ā especially Sinhala and English ā can cause speech delay in children. This is one of the most common myths I hear.
š 1. Bilingualism Does Not Cause Speech Delay
Children around the world successfully grow up speaking two or more languages.
Research consistently shows that bilingual children reach major milestones ā first words, combining words, simple sentences ā within the normal age range, just like monolingual children.
š If a child has a delay, it is because of an underlying condition, not because they hear two languages.
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š 2. Sometimes Bilingual Children Look āSlowerā ā But They Are NOT Delayed
Bilingual vocabulary is often divided between the two languages.
A child may know:
⢠Some words in Sinhala
⢠Some words in English
When you combine both languages, their total vocabulary is perfectly normal.
This is called normal bilingual variation, not a delay.
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š 3. What Can Cause a Delay?
A delay can happen when a child receives:
⢠Low interaction
⢠Limited conversation
⢠Excessive screen time
⢠Less play-based communication
This can affect monolingual, bilingual, and multilingual children equally.
š The problem is not the number of languages ā
the problem is the quality of interaction.
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š 4. What If the Child Already Has a Condition?
Conditions such as:
⢠Developmental delay
⢠Autism
⢠Hearing loss
⢠Language disorder
⢠Down syndrome
⢠Childhood apraxia of speech
ā¦can cause speech delays.
BUT introducing two languages does not make these delays worse.
Children with delays can still become beautiful bilingual speakers with the right support.
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š 5. SinhalaāEnglish Homes: What Does Research Say?
Although there is little research specifically on SinhalaāEnglish bilingual toddlers, current studies show:
⢠Sinhala and English have different sound patterns
⢠Using English norms to judge Sinhala-speaking children can cause confusion
⢠Sinhala-English code-switching is natural and healthy
And importantly:
š But there is no evidence that growing up Sinhala-English causes speech delay.
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š 6. Can Some Bilingual Kids Develop Certain Skills a Bit Later? Yes ā and Thatās Normal.
Because their exposure is split between two languages, some bilingual children may take a little longer to:
⢠Build strong vocabulary in one language
⢠Form longer sentences
⢠Sort out grammar differences
This is completely normal and does not indicate a disorder.
They catch up beautifully as long as they receive rich, daily interaction.
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š 7. What Helps Bilingual Children Thrive?
ā Talk to your child throughout the day
ā Use play, singing, books, and routines
ā Keep your home language (Sinhala or Tamil) strong
ā Allow natural code-switching
ā Reduce background screen time
ā Encourage conversations, not just commands
Children learn best from a warm, responsive adult, not from limiting languages.
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š¼ Remember
Your child can absolutely grow up bilingual or multilingual without any harm to their speech development.
What matters most is connection, conversation, and consistency, not the number of languages.
(Chathurika D. Sumanasiri)