Simple past tense and past participle of shrill.(verb)
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Use "shrilled" in a sentence
"Rocks sang your name and shrilled in the night-time winds, and you pledged a silent promise that you would not forget their crackling redness, their sparks in the pitch-black."
"Suddenly a bugle-call shrilled on the air, and while we shrank closer into the shadow of the trees a tumult of hoof-beats filled the quiet night, and a whole squadron of cavalry came in sight, riding full tilt in the direction of the fortress."
"The voice of Margot shrilled out and cut into her words."