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Big Word Day

Expand your vocabulary and join in on the fun of Big Word Day! Challenge yourself to use new words and impress everyone with your linguistic skills.

Wednesday

April 2027

Last updated February 7, 2026 · by the Holiday Calendar Team

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YEARLY DATEApril 21

OBSERVED INUnited States

CATEGORYSchool

SUBCATEGORYLiteracy

INTRO

Introduction

PHOTO

Get your dictionaries ready because April 21 is Big Word Day! This unique holiday was created to celebrate and appreciate the beauty and power of words. Whether you're a logophile (a lover of words) or just want to expand your vocabulary, this day is the perfect opportunity to learn some new "big" words and impress your friends. Did you know that the longest word in the English language has 189,819 letters? While we may not be able to pronounce it, there are plenty of other interesting facts about words and language to discover on this day. So let's celebrate the richness of language together on Big Word Day!

TIMELINE

Big Word Day Timeline

Oxford English Dictionary

In 1879, work began on the Oxford English Dictionary, which today is a critically-acclaimed source of word definitions, etymology, and linguistic knowledge.

First Crossword Dictionary

The first dictionary specifically designed for crossword puzzle enthusiasts was published, making big and complex words popular pastime.

Scrabble Club Formation

The National Scrabble Association was formed in the USA, encouraging the discovery and discussion of big words among board game lovers.

Spelling Bee Broadcast

The Scripps National Spelling Bee competition started being broadcasted on ESPN, bringing big words into living rooms around the nation.

Big Word Day Initiation

Big Word Day was officially marked on April 21, dedicating a full day to the appreciation and usage of grandiloquent words.

Digital Vocabulary

Websites and apps focused on learning vocabulary gained popularity, allowing people worldwide to learn and share their favorite big words.

GET INVOLVED

How to Celebrate Big Word Day

Expand your vocabulary

On Big Word Day, challenge yourself to learn and use new and impressive words in your everyday conversations. This will not only improve your vocabulary, but also make you feel more confident and intelligent.

PLAY

Play word games

Gather some friends or family members and play a word game like Scrabble or Bananagrams to celebrate Big Word Day. This is a fun and interactive way to learn new words and challenge your language skills.

READ

Read a book with impressive vocabulary

Choose a book that is known for its use of advanced vocabulary and make it your goal to finish it on Big Word Day. Not only will you expand your vocabulary, but you'll also have a great time reading a captivating story.

ATTEND

Attend a lecture or seminar

Look for any lectures or seminars happening in your area that focus on language, literature, or communication. This is a great way to celebrate Big Word Day and learn something new about the power of words.

WRITE

Write a poem or short story

Challenge yourself to write a poem or short story using as many big words as possible. This will not only be a fun and creative way to celebrate the day, but also a great exercise for your brain.

WHY THIS DAY MATTERS

Why We Love Big Word Day

Challenge yourself

Trying to incorporate big words into your daily speech or writing can be a fun challenge. Test your knowledge and see how many new words you can learn and use on Big Word Day - the sky's the limit!

Discover new and unique words

Big Word Day is a great opportunity to learn and use big, interesting words that you may not have encountered before. Expand your vocabulary and impress your friends with your linguistic skills!

Improve communication skills

Using more complex and sophisticated words can help improve your communication skills - whether it be in written or spoken form. Plus, learning big words can make it easier to understand others who use them regularly.