🇬🇧 en fr 🇫🇷

solemn adjective

  /ˈsɑləm/ , /ˈsɒləm/
  • Characterized by or performed with appropriate or great ceremony or formality.
  • Deeply serious and sombre; grave.
 solennel

solemnity noun

  /səˈlɛmnɪti/
  • An instance or example of solemn behavior; a rite or ceremony performed with reverence.
  • (Catholicism) A feast day of the highest rank celebrating a mystery of faith such as the Trinity, an event in the life of Jesus, the Virgin Mary, or another important saint.
 solennité

solemnization

solennisation
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