How Does Emotional Vocabulary Develop In Children Under Six?

Emotions are a big part of a child’s everyday experience. Happiness, excitement, frustration, fear, jealousy, disappointment, and affection can all appear within the space of a few hours. But while young children experience emotions intensely, they may not always have the words to explain what they are feeling. 

This is where emotional vocabulary begins to develop. Helping children name, understand, and express their feelings from an early age gives them an important foundation for emotional intelligence and mental wellbeing. 

What Is Emotional Vocabulary? 

Emotional vocabulary is the collection of words children use to identify and communicate feelings. For a toddler, this might begin with simple words such as “happy,” “sad,” “angry” or “scared.” As language develops, children can gradually distinguish between more complex emotions such as “worried,” “disappointed,” “excited,” or “frustrated.” 

Developing this vocabulary does not happen all at once. Children learn emotional language through conversations, relationships, stories, play, and everyday experiences. Adults around them play an important role by giving words to feelings they may not yet be able to describe themselves. 

Teaching Feelings To Toddlers 

For toddlers, emotions can feel overwhelming because their ability to regulate feelings is still developing. A toddler who throws a toy because another child took it may understand that something is wrong but may not yet be able to say. Adults can help by calmly putting words to the experience: “You are upset because you wanted the toy.” This does not mean approving every behavior. Instead, it helps children understand the connection between an experience, feeling, and a response. 

Simple everyday conversations can also build emotional vocabulary. Looking at pictures and asking, “How do you think this person feels?” or talking about characters in a story can introduce children to different emotions in a safe and engaging way. The goal is not to expect toddlers to perfectly identify every emotion, but to give them words they can gradually use when they need them. 

Expressing Feelings In Preschool 

As children enter the preschool years, their vocabulary expands rapidly. This creates more opportunities for them to communicate not only what they want, but also how they feel and why. 

A child might move from saying “I don't like it” to explaining, “I’m angry because she took my turn.” This shift is significant. When children can communicate their feelings with words, they have more opportunities to seek help, negotiate with others, and find solutions to everyday conflicts. 

Preschool environments can encourage this development through regular conversations about emotions. Educators can acknowledge feelings without judging them: “It’s okay to feel disappointed when something doesn't go the way you expected.” 

Stories are particularly powerful because they allow children to explore emotions through characters and situations. Asking questions such as “Why do you think the character felt worried?” or “What could they do next?” encourages children to think about both feelings and possible responses. 

Language Development & Emotions Go Together 

Language and emotional development are closely connected. The more words children have to describe their internal experiences, the more precisely they can communicate those experiences to others. 

A child who only knows the word “angry” may use it to describe many different emotions. They might actually be tired, disappointed, embarrassed, or overwhelmed. Introducing a wider emotional vocabulary helps children recognize that feelings can be different in intensity and meaning. 

For example, children can learn that being “annoyed” may feel different from being “furious,” while being “nervous” is not necessarily the same as being “scared.” These distinctions become increasingly useful as children navigate friendships and new experiences. 

Developing Emotional Intelligence Early

Emotional vocabulary is one part of developing emotional intelligence. When children can identify their emotions, they are better positioned to understand what may have triggered them and consider how they might respond.

This does not mean young children will always manage their emotions calmly. Emotional regulation develops gradually, and children under six still need significant support from trusted adults. However, having the language to say, “I’m frustrated,” “I need help” or “I’m feeling worried” can provide an alternative to communicating solely through behavior.

Why Start Early? 

Giving children emotional language early can support them socially, emotionally, and mentally as they grow. It can help them communicate their needs, build stronger relationships, navigate disagreements, and develop greater awareness of themselves and others.

At Dibber, we believe that nurturing the whole child means creating space for emotional wellbeing alongside learning, creativity, movement, and play. When children have the words to say, “I’m happy,” “I’m worried,” “I need help” or simply “I don’t know how I feel,” they have taken an important step towards understanding themselves. 

On this World Mental Health Day, let’s remember that supporting mental wellbeing begins early. By listening to children, acknowledging their feelings, and giving them the language to express themselves, we can help build strong emotional foundations for the years ahead.