'Unawares' in the Bible

And Jacob stole away unawares to Laban the Syrian, in that he told him not that he fled.

And Laban said to Jacob, What hast thou done, that thou hast stolen away unawares to me, and carried away my daughters as captives of the sword?

And it came to pass on the third day, when they were sore, that two of the sons of Jacob, Simeon and Levi, Dinah's brethren, took each man his sword, and came upon the city unawares, and slew all the males.