Cambridge Advanced Learner's Dictionary

The Cambridge Advanced Learner's Dictionary (abbreviated CALD), commonly referred to as the Cambridge Dictionary, is a British dictionary of the English language. It was first published in 1995 under the title Cambridge International Dictionary of English by the Cambridge University Press. The latest version of the dictionary is Cambridge Advanced Learner's Dictionary 4th Edition which was informed by the Cambridge International Corpus. The dictionary has over 140,000 words, phrases, and meanings including words from the areas of technology, media, language, society and lifestyle. With 32-page Focus on Writing section, it is suitable for learners at CEF levels B2–C2.

The Cambridge Dictionary Word of the Year, by Cambridge University Press & Assessment, has been published every year since 2015. The Cambridge Word of the Year is led by the data – what users look up – in the world's most popular dictionary for English language learners. In 2022, the Cambridge Word of the Year was homer, caused by Wordle players looking up five-letter words, especially those that non-American players were less familiar with. In 2021, the Cambridge Dictionary Word of the Year was perseverance. In 2020, it was quarantine due to the lockdowns caused by the COVID-19 pandemic.

There is an online version of Cambridge Advanced Learner's Dictionary & Thesaurus with different translation dictionaries.