adj.
VERBS
▪ be , look , seem , sound
▪
She usually had a smile on her face, but now she looked ~.
▪ become , grow
▪
His face grew ~.
▪ remain
ADVERB
▪ extremely , fairly , very , etc.
▪
He addressed them all in very ~ tones.
▪
Her mood was rather ~.
▪ most
▪
Our most ~ duty is to protect the public.
Solemn is used with these nouns: ↑ ceremony , ↑ declaration , ↑ duty , ↑ eye , ↑ face , ↑ oath , ↑ occasion , ↑ procession , ↑ promise , ↑ ritual , ↑ tone , ↑ undertaking , ↑ vow , ↑ word