Keiki's Kid’s Dictionary

Children absorb new information like sponges. As they learn to read and encounter unfamiliar concepts, they need a reliable resource to check the meanings of new words. With Keiki's help, kids can easily search and find unknown words.



They’ll understand them quickly with the help of kid-friendly definitions, example sentences, and human-voiced audio pronunciations. Young learners will be drawn to the dictionary's fun, colorful pictures.

Kid’s Dictionary for Every Age

Keiki's Kid's Dictionary is designed to grow with your child.

Toddlers (2-3 years):

  • Picture dictionaries 
  • Basic words: Everyday objects, animals, and simple actions
  • Large, colorful images
  • Simple labels

Toddlers (2-3 years):

  • Picture dictionaries 
  • Basic words: Everyday objects, animals, and simple actions
  • Large, colorful images
  • Simple labels

Preschoolers (3-5 years):

  • Expanded picture dictionaries
  • Introduction to alphabetical order
  • Simple definitions alongside images
  • Words: Emotions, family, and early learning concepts

Early Elementary (5-6 years):

  • Transition to more text-based dictionaries
  • Simple phonetic guides for pronunciation
  • Short, clear definitions
  • Introduction to parts of speech

Elementary School (7-8 years):

  • More comprehensive word lists
  • Longer definitions with example sentences
  • Basic etymology for common words
  • Introduction to synonyms and antonyms.

Building Vocabulary

Advanced features

As children progress, they will gain access to more advanced features. Apart from a broader vocabulary range, your kid will discover word games and quizzes, synonyms and antonyms, word origins, reading comprehension activities, and interactive stories. This ensures continuous learning and engagement of your toddler, preschooler, early elementary, and elementary school student.

Categories of words

Depending on the child's age, Keiki will present all categories of words kids need to know at each stage of their academic development. For example, Human body, Animals and birds, Colors, Days of the week, Flowers, Weather, Family members, Shapes, Fruits and vegetables, Household items, School supplies, Jobs, Foods, Places, Nature, Instruments, Sports, Hobbies, Emotions and feelings, Action verbs, Clothing.

Age-appropriate learning

Each category is further tailored for different age groups. For instance, younger kids (2-3 years) learn basic “red, blue, green” under “Colors” topic. Older ones (7-8 years) will master “turquoise, maroon, indigo” – more complex shades. Similarly, small children (2-3 years) discover basic animals (dog, cat, bird). Older ones (3-6 years) will explore farm (cow, sheep, goat) and zoo animals (elephant, penguin, giraffe), animal habitats (forest, jungle, desert) and animal sounds (meow, hee-haw, baaah).

Little fingers, big vocabulary!


Why Children Need Dictionary

— 01Vocabulary growth

The Keiki dictionary helps children master new words and expand their vocabulary. When they encounter an unfamiliar term in a book, during a conversation, or in an ad, they can immediately look it up in the app. In this way, they learn the meanings, usage, and context in which new concepts are used.

— 02Reading comprehension

Using a Keiki dictionary while reading improves comprehension of the information. When a child can quickly look up a word they don’t know, they grasp the full meaning of the story. This enhances their reading experience and serves as motivation to read more often.

— 03Spelling and pronunciation

The Keiki dictionary provides correct spellings and pronunciation guides. This helps children improve their spelling skills and learn how to say words properly. This is crucial for clear communication and writing.

— 04Language exploration

A dictionary encourages curiosity about a child’s native language or languages they study. It can spark interest in word origins, synonyms, and antonyms. This fosters a deeper understanding and appreciation of language structure and evolution.

— 05Independent learning

Having access to a dictionary promotes self-reliance in learning. It empowers children to find answers independently, without constantly asking their parents to help. This develops critical thinking skills and a proactive approach to expanding their knowledge.

Why Choose Keiki App



Children’s dictionary apps are great proof of how technology helps kids’ learning. Nowadays they don’t have to carry those big heavy dictionaries with them. The Keiki App is always at your child’s fingertips, whether at home, in school, or on the go!



The Keiki dictionary includes only the words kids can understand and should know at this level. The definitions are written in a clear and uncomplicated way. In addition, example sentences, illustrations, and synonyms enhance understanding and make learning fun. The app adapts as your child grows, introducing more complex words and concepts.



Children love to be independent and not rely on their parent’s help all the time. Keiki’s intuitive interface is designed for small hands and developing minds. It will not be difficult for them to confidently navigate and learn on their own.


Safe for kids

Keiki’s dictionary includes only words that are essential for children’s vocabulary development. These are concepts needed to succeed in school and to become good communicators and readers. Offensive and vulgar words are not included in this dictionary intended for children. The app is also completely ad-free, ensuring a distraction-free and secure learning environment.


For curious minds

Research shows that when children are curious, they learn more and remember what they learned. Keiki App encourages exploration with interactive features and a wide range of topics. It feeds children's natural curiosity and making vocabulary building an exciting adventure.

Turn dictionary’s pages into adventures!


How to Further Enhance Experience

  • - 01

    Make it a habit to consult the Keiki Dictionary when your child encounters unfamiliar words in books, conversations, or media.

  • - 02

    Praise their initiative when they independently look up words.

  • - 03

    Look up spellings and transcription with your child when they’re unsure how to write or pronounce a word.

  • - 04

    Create funny or imaginative sentences using new words.

  • - 05

    Write short stories together, incorporating recently learned vocabulary.

  • - 06

    Read books slightly above your child's current reading level, using the Keiki Dictionary to explain new words.

  • - 07

    Choose a new word each day (Word of the Day) from the Keiki Dictionary and challenge everyone to use that word in conversation throughout the day.

Frequently asked questions

How does Keiki App make learning vocabulary fun for kids?

Building a strong vocabulary has never been so exciting for kids. Keiki App’s dictionary features high-quality flashcards, voiceovers, example sentences, quizzes, mini-games, and daily challenges. All these features transform vocabulary learning into an exciting adventure for kids.

Can I see how my child’s vocabulary is improving with Keiki App?

The Keiki App has a progress-tracking feature that allows parents to monitor which words a child has learned. You'll have access to detailed reports that help you understand your little learner’'s strengths and areas for improvement.

What age groups is Keiki App suitable for?

Keiki is an early learning app for kids aged 2 to 8 years. This range encompasses toddlers, pre-k, preschoolers, and elementary school students. The app's content adapts to each age group, ensuring they receive age-appropriate learning experiences.

How does Keiki App ensure a safe learning environment?

We care about the safety and comfort of the learning environment for your child. That’s why our app is ad-free, so no pop-ups or unwanted content will interrupt the process or cause any concerns.

Is Keiki App accessible on tablets and smartphones?

Yes! The Keiki App is designed with multi-device compatibility in mind. It means your child can seamlessly use it on a tablet or smartphone, Android or iOS operating systems.

How often is new content added to Keiki App?

New content is added to the Keiki App regularly. This ensures that children always have fresh and engaging material (new words, terms, concepts, phrases, activities) to explore and learn from.

Can Keiki App help with school vocabulary lists?

Yes, Keiki App can be a valuable tool for reinforcing school vocabulary. While it may not have pre-loaded school lists, its comprehensive dictionary allows children to look up and learn any words from their school curriculum.

How can I get started with Keiki App for my child?

To get started with the Keiki App:

  1. Download it from your device’s app catalog (App Store for iPhone and iOS devices or Play Market for Android phones and tablets).
  2. Create an account for your child. 
  3. Personalize the profile with information about their age, interests, and learning goals. 
  4. Explore the app’s features: kid’s dictionary, educational games, learning activities.
  5. Encourage regular use of the app as part of your child’s daily learning routine.