All 9 Uses

solemn
in
The Witch of Blackbird Pond
(Edited)

His very smile had a touch of solemnness.
p. 12.6

solemnness = seriousness
His solemn young face was even more grave than before.
p. 13.8

solemn = serious
She could imagine the twinkle that would have danced in his eyes at those solemn words.
p. 25.7

solemn = very serious--possibly dignified
But as their shyness wore off, so did their solemnness.
p. 85.1

solemnness = seriousness
But it's not much fun trying to keep my hand firm and being so solemn all day long.
p. 104.6 *

solemn = serious (with no sense of fun)
The small head nodded solemnly.
p. 116.5

solemnly = in a serious manner
Now, having spoken too seriously, he turned back her solemn regard with a laugh.
p. 127.9

solemn = serious
Why do they want life to be so solemn?
p. 128.2

solemn = serious (without any sense of fun)
Wethersfield was not always a dull solemn place!
p. 146.1

solemn = serious (with no sense of fun)

Definitions:

(1) (solemn)
in a very serious (and often dignified) manner
(2) (meaning too rare to warrant focus)
Less commonly, solemn can mean that something was done with great or appropriate ceremony. It can also be used to describe something as dark or undecorated.