adverb taking the 'to' particle, taru-adjective
stock-still; motionless; frozen in place
Literary or formal expression describing a state of being completely still, often due to shock, awe, or intense focus. Used with と (凝然と) or in the たる form (凝然たる).
その知らせを聞いて、彼は凝然と立ち尽くした。
Hearing the news, he stood stock-still.
凝然たる態度で、彼女はじっと前を見つめていた。
With a motionless demeanor, she stared fixedly ahead.