1.
urgent, pressing, imminent
Requiring immediate attention or action. Used primarily in formal writing and official statements to emphasize the urgency of a matter.
Usage
A formal, written-language word. Almost always appears in the pattern 喫緊の+noun, modifying words like 課題 (issue), 問題 (problem), or 事態 (situation). Common in government statements, news reports, and policy documents.
Common collocations
Similar words
喫緊 is the most formal. 緊急 (urgent, emergency) is also formal but used more broadly, including spoken language. 急を要する (requiring urgency) is another formal alternative.