極ごく密みつMeanings1noun, na-adjectiveabsolute secrecy; top secretUsed for information, documents, or matters that are kept strictly confidential. Often appears in formal or official contexts.この書しょ類るいは極ごく密みつ扱あつかいです。This document is treated as top secret.極ごく密みつの情じょう報ほうが漏もれた。Top-secret information was leaked.