taru-adjective, adverb taking the 'to' particle
strong moral fiber; backbone; unyielding spirit
A yojijukugo describing a person of firm principles and unshakable determination. Often used in literary or formal contexts.
He is a politician of strong moral fiber.
With unyielding spirit, he never gave in to any hardship.
Standard kanji spelling for this yojijukugo.
Variant spelling using the non-repetition kanji 稜稜 instead of 稜々.
A yojijukugo combining 気骨 (backbone, moral strength) and 稜々 (towering, imposing). The exact origin is uncertain, but it follows a common pattern of intensifying a quality with a reduplicative or emphatic second element.