Collocations Dictionary Online: Macmillan

You realize the correct adjective is concerted , valiant , or determined . You correct your sentence to: “He made a determined effort.”

(PDF) Macmillan Collocations Dictionary for Learners of English macmillan collocations dictionary online

The Macmillan Collocations Dictionary is a specialized reference resource designed for upper-intermediate to advanced learners of English. Unlike standard dictionaries that focus on definitions, this resource focuses on "collocations"—the habitual juxtaposition of a particular word with another word with a frequency greater than chance. You realize the correct adjective is concerted ,

Pair the MCD Online with a good thesaurus and a corpus tool like COCA (Corpus of Contemporary American English) for mastery-level English production. Pair the MCD Online with a good thesaurus

Since the 2023 site closure, users have had to turn to alternative formats or third-party archives:

It doesn't just answer the question "What does this mean?" It answers the much harder question: "How do I actually use this?"