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由々しき (ゆゆしき, yuyushiki) Japanese meaning: grave | Kotomora

由ゆ々ゆしき

Meanings

1

noun-modifying (irregular)

grave; serious; alarming

Prenominal form of 由々しい, used only before nouns. Describes a situation, matter, or problem that is very serious and cannot be ignored. Often used in formal or written contexts.

See also: 由々しい

これは由ゆ々ゆしき問もん題だいだ。
This is a grave problem.
由ゆ々ゆしき事じ態たいが発はっ生せいした。

Kanji

由wherefore, a reason

Related words

由ゆ々ゆしい
由々しい is the dictionary form (終止形) and can be used predicatively (e.g., 問題は由々しい), while 由々しき is the prenominal form used only before nouns.
深しん刻こく
深刻 is a more common and neutral word for 'serious' or 'grave', while 由々しき is more formal and emphatic, often implying a sense of alarm or urgency.

Written forms

由ゆ々ゆしき
Standard kanji spelling using the iteration mark 々. This is the most common written form.

A serious situation has occurred.

由ゆ由ゆしき

Full kanji spelling without the iteration mark; rarely used in modern writing.

Etymology

The prenominal form of 由々しい (yuyushii), an adjective meaning 'grave' or 'serious'. The kanji 由 means 'reason' or 'cause', but the exact derivation of the word is uncertain. The repetition of the kanji (由々) intensifies the meaning.