Lexico: Dictionary & Thesaurus by Oxford is a Chrome extension that provides trusted English definitions, synonyms, and grammar guides for both native speakers and language learners. With this extension, users can easily search for any word in the Lexico Dictionary Powered by Oxford directly from the omnibox.

The extension allows users to simply type "lexico" followed by the word they want to search, and then press enter. This convenient feature eliminates the need to visit a separate website or open a new tab to look up definitions and synonyms. Whether you're a native English speaker looking to expand your vocabulary or a language learner in need of accurate definitions, Lexico: Dictionary & Thesaurus by Oxford is a valuable tool to have in your browser.