also: かいしょく
noun, noun or participle which takes 'suru', transitive verb, intransitive verb
Formal literary term for a stern warning or reprimand, often in official or disciplinary contexts. Can be used as a noun or with する to mean 'to admonish' or 'to warn'.
上司から戒飭を受けた。
I received an admonishment from my boss.
規則違反に対して厳重に戒飭する。
To sternly admonish for a rule violation.