DOUBLE Synonyms: 154 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/double
WebSynonyms for DOUBLE: dual, twin, binary, duplex, bipartite, double-barreled, twofold, paired; Antonyms of DOUBLE: single, unpaired, genuine, sincere, honest, heartfelt, direct, artless
DA: 91 PA: 69 MOZ Rank: 94