solemnly
/ˈsɑləmli/ adverb C1- In a solemn manner.
From the library
Come now, do smile, instead of looking at me so solemnly.
It just means vowing and promising solemnly.”
I solemnly swear to be faithful to my bosom friend, Diana Barry, as long as the sun and moon shall endure.
Dorothy now took Toto up solemnly in her arms, and having said one last good-bye she clapped the heels of her shoes together three times, saying:
Learn solemnly in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.