noun which may take the genitive case particle 'no'
nonessential and nonurgent; unnecessary
Used in official or formal contexts to describe activities, outings, or items that are neither essential nor urgent, often in phrases like 不要不急の外出 (nonessential outings).
不要不急の外出は控えてください。
Please refrain from nonessential outings.
不要不急の会
Nonessential meetings were canceled.