CALM Synonyms: 310 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/calm
WEBSynonyms for CALM: quiet, tranquil, serene, peaceful, placid, hushed, still, untroubled; Antonyms of CALM: angry, turbulent, restless, agitated, unsettled, stormy, rough, unquiet
DA: 7 PA: 94 MOZ Rank: 51