Unawares, unexpectedly, by surprise: “Pucelle . . . hath wrought this hellish mischief u.” H6A III, 2, 39. “take the great-grown traitor u.” H6C IV, 8, 63. at u., in the same sense: “so we . . . at u. may beat down Edward's guard,” H6C IV, 2, 23. “or by his foe surprised at u.” IV, 4, 9. “like vassalage at u. encountering the eye of majesty,” Troil. III, 2, 40 (Q at unwares).