serene
- Calm, peaceful, and untroubled; tranquil.
- Used as a title of honor for certain royalty (e.g., 'His Serene Highness').
In a sentence
- The lake was perfectly serene at dawn, its surface reflecting the pale pink sky.
- Despite the chaos around her, she maintained a serene expression throughout the meeting.
Usage note. 'Serene' suggests a deep, enduring calm rather than a temporary absence of noise; use it when emphasizing inner peace or flawless natural stillness.
Where it comes from
English serene — “calm, peaceful, untroubled” · entered English 15th c.
From Latin 'serenus' (clear, unclouded, calm), used of weather and sky. Entered English in the 15th century via French or directly from Latin. The word's root may relate to Proto-Indo-European *ksero- (dry), linking clear skies to dryness. (Source: Etymonline, Merriam-Webster)