Question: Is there a web app that offers interactive example sentences to help me understand word usage?

If you want a web app with interactive example sentences to help you understand word usage, Articulate is a great option. The app is designed to help people learn new languages with simplified definitions, formal definitions and example sentences for words or phrases. It also offers AI feedback on sentence construction, progress tracking and a gamification system to keep you motivated. The app works offline and includes interactive examples to make learning more engaging and accessible.

Another option is eJOY, an AI-based English learning platform that offers translation, lookup and knowledge-saving tools in a variety of formats like video, PDF documents and websites. It also includes AI explanations, word/phrase lookup, review games and immersive video practice. eJOY's smart review system and spaced repetition algorithms help you absorb and retain information better, making it a good tool for English learners and researchers.

For a more immersive learning experience, Language Reactor can integrate with media sources like Netflix, YouTube and books to provide language learning tools. It offers dual language subtitles, popup dictionaries, vocabulary suggestion and highlighting, and AI chatbot conversations. The service includes a browser extension to import web pages and add translations, turning ordinary content into a learning experience.