Discover words
Look up words and explore their meanings, pronunciation, and useful word information.
Vocabulary, made simple.
What's That Word?
Build your vocabulary, one word at a time. Discover meanings, learn new words, test yourself, and understand how your vocabulary grows.
WTF
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My Vocabulary
🔍 Search your words
Ephemeral
adjective
Serendipity
noun
Meticulous
adjective
Resilient
adjective
Wanderlust
noun
Tenacious
adjective
Everything you need
Learn words.
Remember them.
WTF turns random words you encounter into a vocabulary you can actually build and revisit.
Build your collection
Save interesting words and create your own personal vocabulary collection.
Learn with quizzes
Test your understanding and turn your vocabulary collection into active learning.
Explore insights
See your vocabulary grow and understand your learning activity over time.
How it works
From "What's that?"
to "I know that."
1
Find a word
Come across a word you don't know? Look it up in WTF.
2
Save it
Add the word to your collection so you can come back to it later.
3
Learn it
Use quizzes and revisit your collection to turn recognition into understanding.
English + Hindi
Understand vocabulary in the language that works best for you. WTF is designed with English and Hindi support from the start.
English
हिन्दी