1) Became ice 2) Became icy 3) Became immobile 4) Became immobilized 5) Became motionless 6) Changed to ice 7) Congealed 8) Formed ice 9) Got stage fright 10) Halted suddenly 11) Iced up 12) Immobilized 13) Made like a statue 14) Opposite of melted 15) Preserved in a way 16) Solidified in the cold 17) Stood absolutely still Found on https://www.crosswordclues.com/clue/froze