'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 taken with the sword?

Now it came about on the third day, when they were in pain, that two of Jacob’s sons, Simeon and Levi, Dinah’s brothers, each took his sword and came upon the city unawares, and killed every male.