serene
https://gyazo.com/ec89410e34daf8ae9f1ca82dd6b1e01b
/icons/point.icon CALM, TRANQUIL, SERENE, PLACID, PEACEFUL mean quiet and free from disturbance.
CALM often implies a contrast with a foregoing or nearby state of agitation or violence.
e.g. the protests ended, and the streets were calm again
TRANQUIL suggests a very deep quietude or composure.
e.g. the tranquil beauty of a formal garden
SERENE stresses an unclouded and lofty tranquility.
e.g. watched the sunset of a serene summer's evening
PLACID suggests an undisturbed appearance and often implies a degree of complacency.
e.g. remained placid despite the criticism
PEACEFUL implies a state of repose in contrast with or following strife or turmoil.
e.g. grown peaceful in old age
adjective
1. calm, peaceful, and untroubled; tranquil:
〈人が〉静かで落ち着いた; 〈表情が〉穏やかな; 〈場所･生活が〉平穏な, のどかな; 〈空･天候などが〉のどかに晴れ渡った, うららかな, 澄み渡った; 〈海が〉穏やかな
e.g. her eyes were closed and she looked very serene
e.g. serene certainty.
2. (Serene) (in a title) used as a term of respect for members of some European royal families:
〖S-〗やんごとなき (!ヨーロッパの王侯の敬称)
e.g. His Serene Highness.
noun (usually the serene) archaic
an expanse of clear sky or calm sea:
e.g. not a cloud obscured the deep serene.
ORIGIN
late Middle English (describing the weather or sky as ‘clear, fine, and calm’): from Latin serenus.