Dictionary.com is one of the most popular online English dictionaries worldwide. With over 2 million word definitions, it helps millions of users solve language problems every day. Dictionary.com has recently expanded its vocabulary to include AI-related terms such as generative AI, GPT, and LLM. In addition to providing comprehensive word definitions, Dictionary.com offers synonyms, antonyms, pronunciations, example sentences, and audio pronunciations. Users can learn new words through word lists, daily words, word puzzles, and other learning tools. Dictionary.com uses authoritative dictionaries as its source material, ensuring accurate and reliable definitions for English learners and professional authors alike.