Today
Meet a word worth keeping.
Start with a genuinely challenging word, then follow it into a neighborhood of connected language and ideas.
A starfield of difficult words
Every word belongs to a neighborhood of ideas, histories, writers, and contrasts. Lexicon makes those relationships visible.
Available for iPhone.
01 / The premise
Tap a star or beam to travel through the relationships that make difficult language intelligible. Explore literature, philosophy, psychology, science, mathematics, theology, political thought, and more.
Today · Starfield · Learn · My Lexicon
Today
Start with a genuinely challenging word, then follow it into a neighborhood of connected language and ideas.
Starfield
Fly between words, then rotate the same intellectual sky through subjects, writers, and thinkers.
Learn
Review through typed recall, context, voice, and the precise distinctions between neighboring terms.
My Lexicon
Save words, scan printed pages, and build constellations from the books and passages you encounter.
Personalize
Save discoveries and mark the words you already know.
Prepare to read demanding writers and thinkers through Curated Paths.
Capture unfamiliar words and their sentences from your own reading.
Use Lexicon without an account, advertising profile, or remote vocabulary service.
Lexicon for iPhone
Discover difficult words worth keeping, follow their connections, and turn recognition into lasting command.
Download on the App Store