LDOCE Online is a website that provides English language learners and teachers with a comprehensive online dictionary and other resources. It is an online version of the classic Longman Dictionary of Contemporary English, and provides detailed definitions, example sentences, and synonyms for English words and phrases. The website also includes interactive exercises, videos, and audio recordings to help improve English language skills. Additionally, users can create and save personalized word lists and access grammar guides and language usage articles. LDOCE Online provides a useful resource for those looking to improve their English language skills, and is a trusted reference tool for language learners and educators.