記き念ねん碑ひ的てききねんひてきじ字FuriganaAudioMeanings1na-adjectivemonumentalUsed to describe something of great importance, scale, or lasting significance, similar to English 'monumental'. Often applied to achievements, works, or events.これは記き念ねん碑ひ的てきな業ぎょう績せきだ。Break this sentence down in the analyzerThis is a monumental achievement.その発はっ見けんは科か学がく史しにおいて記き念ねん碑ひ的てきな出で来き事ごととなった。Break this sentence down in the analyzerThe discovery became a monumental event in the history of science.