QuickWord answers "what does this word mean" with the least possible interruption: select a word in any app, tap QuickWord in the text-selection menu, and the definition appears as a notification. No app switch, and it works offline. Features: • Lookup from any app's text-selection menu or share sheet • Notification actions: Thesaurus (swaps to synonyms in place), Open, Save • 1.4 million words from the English Wiktionary (CC BY-SA), fully offline • Wikipedia fallback for names and places (with attribution), with an optional offline pack of the 50,000 most-read articles • Serif-typeset word pages, prefix search, recents and favourites • Pronunciation (IPA + text-to-speech) • No ads, no tracking, no accounts. MIT licensed. Only a handful of sample words are bundled. The full dictionary (~120 MB) downloads when you tap Download on the home screen, once; on a metered connection the app asks first and offers to wait for Wi-Fi. Until then, words outside the sample still resolve through the Wikipedia fallback when online. The offline Wikipedia pack (38 MB) is optional; get it from About → Storage & data.