What's the adjective for soberness? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs sober, soberise and soberize which may be used as adjectives within certain contexts.
“The far soberer festivities at Donna Karan took place in a frigid raw space on Wall Street, a stone's thrown from Zuccotti Park.”
“Characterized by a soberer presentation and leaving more room to the score, access to the various editing and sound-setting tools has been made optimal via a side-panel.”
“He showed, by joining the breakaway World Darts Council and appearing on video attempting star-jumps with leotarded lovelies, that he approved in principle of a sleeker, soberer version of the sport.”