'Known' in the Bible

Now these are the nations which Jehovah left, to prove Israel by them, even as many of Israel as had not known all the wars of Canaan;

Now she had liers-in-wait abiding in the inner chamber. And she said unto him, The Philistines are upon thee, Samson. And he brake the withes, as a string of tow is broken when it toucheth the fire. So his strength was not known.

And they found among the inhabitants of Jabesh-gilead four hundred young virgins, that had not known man by lying with him; and they brought them unto the camp to Shiloh, which is in the land of Canaan.