'Secretly' in the Bible

But Jael, Heber’s wife, took a tent peg and seized a hammer in her hand, and went secretly to him and drove the peg into his temple, and it went through into the ground; for he was sound asleep and exhausted. So he died.

So he sent messengers secretly to Abimelech, saying, “Look, Gaal son of Ebed, with his brothers, have come to Shechem and are turning the city against you.

So now, get up by night, you and your people, and keep watch in the field secretly;

And he took his people, separating them into three bands, and was waiting secretly in the field; and when he saw the people coming out of the town, he went up and made an attack on them.

Now she had men waiting secretly in the inner room; and she said to him, The Philistines are on you, Samson. And the cords were broken by him as a twist of thread is broken when touched by a flame. So the secret of his strength did not come to light.

So Delilah took new thick cords, knotting them tightly round him, and said to him, The Philistines are on you, Samson. And men were waiting secretly in the inner room. And the cords were broken off his arms like threads.

So Israel put men secretly all round Gibeah to make a surprise attack on it.

So all the men of Israel got up and put themselves in fighting order at Baal-tamar: and those who had been waiting secretly to make a surprise attack came rushing out of their place on the west of Geba.

And they said to the men of Benjamin, Go into the vine-gardens, waiting there secretly,