Collins COBUILD Dictionary

Collins COBUILD Dictionary is an English learner's dictionary app for students, teachers, and writers. It delivers clear full-sentence definitions and real-world example sentences, powered by corpus-based research for accurate, natural usage. Find words fast with smart search and voice input, and master pronunciation with British and American audio. Study anywhere with offline access and easy tools like favorites, history, and custom word lists. Ideal for ESL, test prep, and everyday reference.