lengusa is a linguistic search engine and smart translator for perfecting your English, with its ever-growing sentence database of over 300 million records from reliable contexts.

Its cluster of background services constantly collects, sanitizes, indexes, and orders sentences with state-of-the-art algorithms and machine learning routines.

It's never intended to replace common dictionaries or grammar checkers. The sole purpose of lengusa.com is to give you contextualized examples from reliable contexts, so you don't need to worry about your usage of English words or phrases.

lengusa sources

Hello! This is lengusa.

lengusa is the first machine learning-powered sentence search engine that helps you write better English and feel more confident about it.

lengusa sources.

Only the highest quality sources

lengusa only uses high-quality sources and peer-reviewed articles online. It constantly refreshes its database and deprecates low-quality sentences.

lengusa wordnet

Wordnet: A Lexical Database for English

lengusa uses Wordnet project for lexical connections: https://wordnet.princeton.edu/