Double-click (desktop) or double-tap (mobile) any word below. A definition card appears above it — holds long enough to read, then auto-fades over ~5 seconds on an S-curve. No second tap. Double-click again to re-see it. Words look like normal text until you double-click them; only words in the dictionary are defined.
Plain text in paragraphs — words carry no affordance and look like normal text until double-clicked. Try it: double-click serendipity below (double-tap on mobile). Tab to a word and hit Enter for the keyboard path.
The quick brown fox jumps over the lazy dog near the river bank.
Time flies like an arrow, but fruit flies like a banana.
She bought a beautiful bouquet of ephemeral flowers for the celebration.
The curious child asked why the sky changes color at dusk.
Inflected forms resolve to their base word — the card shows the word you tapped with the base definition.
The children were running through the gardens, baked bread in hand.
He studied the mysteries hidden in ancient stories.
This paragraph is editable — type or paste text freely. Double-click any word you type to define it; the text itself is never wrapped, so editing stays clean.
Type here: serendipity is a ubiquitous joy…