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sober

1 sober /ˈsoʊbɚ/ adjective
soberer; soberest
1 sober
/ˈsoʊbɚ/
adjective
soberer; soberest
Britannica Dictionary definition of SOBER
[or more sober; most sober]
: not drunk
: having or showing a very serious attitude or quality

— soberly

adverb
2 sober /ˈsoʊbɚ/ verb
sobers; sobered; sobering
2 sober
/ˈsoʊbɚ/
verb
sobers; sobered; sobering
Britannica Dictionary definition of SOBER
[+ object]
: to make (someone) serious or thoughtful

sober up

[phrasal verb]
sober up or sober (someone) up
: to become sober or less drunk or to make (a drunk person) sober or less drunk