/ˈhed·wərd/ n.
The word at the head of a dictionary entry: the one you came to look up, and the one you want to use.
An iPhone app. One such word a day on your Lock Screen, as a full entry, and a 60-second drill that has you write with it before you can say you've learned it.
Free for iPhone. No account, no ads, no tracking. In English and Spanish.
Recognizing a definition in a quiz is not knowing a word. Writing with it is.
and want to sound precise instead of approximate. Every word comes with its register: formal, literary, colloquial. The interface speaks English and Spanish; the words you learn are English.
and want rarer, more exact words than the ones you already reach for. Full entries, real example sentences, and the origin story when it is worth telling.
Monthly, yearly, or once for life. Billed by Apple.
Definitions, etymologies and pronunciations come from Wiktionary (CC BY-SA 4.0). The example sentences and register notes are written for Headword. A spaced repetition engine brings each word back just before you would forget it.
Your words, your collections and the sentences you write stay on your iPhone. There is no account and no server. This page loads nothing from anyone else: no fonts, no scripts, no analytics.