205 Synonyms & Antonyms of KEY - Merriam-Webster
https://www.merriam-webster.com/thesaurus/key
WebSynonyms for KEY: main, primary, greatest, highest, predominant, dominant, foremost, big; Antonyms of KEY: last, least, minor, unimportant, trivial, insignificant, secondary, slight
DA: 16 PA: 27 MOZ Rank: 24