KEY Synonyms: 205 Similar and Opposite Words - Merriam …
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: 41 PA: 80 MOZ Rank: 1