重じゅう要よう性せい

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Meanings

Abstract noun expressing the quality of being important or serious. Often used in formal or analytical contexts.

〈事こと〉の重じゅう要よう性せいを強きょう調ちょうするto emphasize the importance of something
先せん生せいは予よ習しゅうの重じゅう要よう性せいを強きょう調ちょうした。
The teacher emphasized the importance of preparing lessons in advance.
〈事こと〉の重じゅう要よう性せいを認にん識しきするto recognize the importance of something
環かん境きょう保ほ護ごの重じゅう要よう性せいを認にん識しきする人ひとが増ふえている。
More people are recognizing the importance of environmental protection.
重じゅう要よう性せいが増ますすfor the importance (of something) to increase
デジタル技ぎ術じゅつの重じゅう要よう性せいが増ましている。
The importance of digital technology is increasing.
〈事こと〉の重じゅう要よう性せいを訴うったえるto appeal to/stress the importance of something
医い師しは早そう期き検けん診しんの重じゅう要よう性せいを訴うったえた。
The doctor stressed the importance of early screening.

重じゅう大だい性せい
重要性 stresses that something is important or significant, while 重大性 emphasizes the seriousness or gravity of a matter, often one with serious consequences.
意い義ぎN2
重要性 focuses on how important something is, whereas 意義 highlights the meaning or significance behind an action or fact.
重おもみN2
重要性 is a neutral, formal word for objective importance, while 重み conveys the felt gravity or weight behind words, presence, or decisions.
重おもき
重要性 is the everyday abstract noun for 'importance' usable in many contexts, whereas 重き is a formal, classical noun confined to set expressions like 重きを置く.

必ひつ要よう性せい
重要性 means how important something is, while 必要性 means how necessary something is; learners often mix the two despite the different focus.
重じゅう要ようN3
重要 is the na-adjective form meaning 'important', while 重要性 is its noun form meaning 'importance'; they are easily confused because of their shared root.

Compound of 重要 (important) + 性 (nature, quality), forming an abstract noun meaning 'importance'.