Language Development
Language development doesn’t begin the day your baby says their first word—it begins the day they are born. In the early months of life, babies are constantly listening and learning. They quickly begin to understand words through repetition, tone of voice, and association, and they often respond to words long before they can speak them. Words like "milk," "mama," "dada," and "no" are usually part of a baby's receptive vocabulary by around 7 months. By the end of their first year, babies typically understand around 20 words, and from that point on, they start learning new words at a rapid pace. (Receptive vocabulary refers to words a person understands when others speak, even if they don’t yet use those words themselves.)
Unfortunately, some parents still feel silly talking to a baby who doesn’t seem to understand or respond. But speaking to babies and naming objects—like milk, crib, and stroller—helps them learn how to talk. It's not silly at all to say to a one-month-old, “I’m putting you in the stroller now and we’re going for a walk in the park!” or “This is our car. Mama and Stelios are going for a ride in the car!” Let others laugh if they want. You’re giving your baby one of the most important tools for cognitive growth: the gift of language.
Many parents say, “And just like that, one day, they started talking!” In truth, language development is a gradual process—if you’re paying attention. The speech milestones outlined here (adapted from Barclay, 1985) provide a general picture of how babies learn to speak:
Birth
Crying is a newborn’s only form of communication. With time, many parents can distinguish between types of crying—hunger, sleepiness, or distress. The most important part of crying as a form of communication is that it prompts a caregiver to respond, fostering early interaction. Newborns are also very sensitive to human voices and often react more strongly to higher-pitched tones, which explains why a simple “hello” from dad might make them cry. If dad’s voice seems to scare the baby, he might try speaking in a higher pitch.
1 to 3 Months
Time for cooing! Babies start making soft, cooing sounds when they feel happy or content. Parents usually respond with smiles or imitate the cooing, creating early "conversations." For example, you might say in a cheerful, high-pitched voice, “Ooh, what are you trying to say? Are you happy today?” This kind of positive feedback encourages babies to repeat the sounds for more attention.
2 to 7 Months
Vocal play becomes a favorite activity. During their increasingly alert periods, babies enjoy making new sounds and repeating them with slight variations—this is vocal experimentation. It becomes more fun when adults join in. “Conversations” can develop if a caregiver imitates a baby’s sounds and waits for a response. Babies start with vowels (a, e, o), but consonants follow soon after.
4 to 8 Months
Babies begin babbling—stringing together repeated syllables like “ba-ba” or “la-la” alongside individual vowel and consonant sounds. Interestingly, babies make sounds even from languages they haven’t heard. For instance, babies raised with Chinese or Japanese may still produce English-like “L” or “R” sounds. Even babies with hearing impairments start babbling around the same time as hearing babies, though by about 6 months, differences in the variety and frequency of their sounds may appear.
8 to 12 Months
Babbling becomes clearer and more expressive. Around the 8th month, babies begin to say “ba-ba” more distinctly, making dads proud—though this sound isn’t yet linked to the word "daddy." Soon after comes “ma-ma.” By 10 months, babies start using these sounds to refer to specific people. They may also begin inventing words: “li” might mean flower, “goo” might mean milk. But don’t jump to conclusions—“pa” could also mean shoe, duck, or ice cream. Toward the end of this period, babies begin stringing sounds together to make “sentences,” often adding tone to express feelings like surprise or joy. They may even ask questions by raising the pitch at the end of a babbled phrase, imitating their native language’s intonation.
1 Year
Babbling continues into the second year, but by their first birthday, many babies say their first real word. This word identifies someone or something in their immediate world—often related to food (cookie, milk, bottle), people (mama, papa, the baby’s name), or toys (ball, doll). After the first word, more follow, although progress may be slow. The average 12-month-old uses about 3–8 spoken words as single-word phrases, but understands around 20.
12 to 18 Months
This is the "parrot" phase. Children listen carefully and try to mimic the language they hear. During this stage, you’ll notice that language and thinking are closely linked. As cognitive skills develop, children begin to express more complex ideas. For instance, once they understand that objects continue to exist even when out of sight (object permanence), they start talking about people or things that aren't present. As their understanding of quantity and number grows, they begin using plural endings and words like “two” or “more.” With improved memory, they can refer to past events. As they grasp the concept of negation, the word “no” becomes a favorite—and frequently used—term.
The Parent's Role in Supporting Language Development
- Talk about what you’re doing. While preparing a meal or shopping, explain your actions. Show the fruit and say, “Apples!”
- Acknowledge your baby’s attempts to communicate. If they point to something, give it to them. If they clap, clap along.
- Imitate your baby’s babbling. Don’t worry about “correct” language—what matters is showing you understand their communication.
- Respond when your baby “talks,” then pause to give them time to respond.
- Point to what you're naming. Say “ball” and point to the ball; say “mama” and point to mama.
- Use baby sign language. Simple gestures like waving or blowing a kiss are great for building communication skills.
- Fill their day with music. Like language, music involves rhythm, tone, and expression.
What to Avoid
- Using abstract or vague terms. Don’t call a rattle just a “toy,” or a cookie simply “food.” Be specific.
- Using too many pronouns. Instead of “I’m going to bathe you,” say “Mama is going to bathe Katerina.”
- Sending mixed signals with your tone. If you say “No, don’t touch that” in a calm, gentle voice, your baby may not understand the message. Tone and emphasis are crucial in early language.
- Being afraid to coo or babble. Imitating your baby’s sounds teaches them about conversational exchange.
- Overloading with full sentences. Don’t say, “This is a spoon” when introducing a new word—just point and say “spoon” clearly.
- Feeling silly for talking to your baby. It’s one of the most important steps in their language development.
- Underestimating your baby’s ability to respond. Ask questions like “Do you want juice or water in your bottle?” and wait. They’ll soon learn to fill the silence with gestures, expressions, or sounds.