'Best' in the Bible

Your wives, your little children, and your livestock, they will remain in the land that Moses gave to you beyond the Jordan. {All of the best fighting men} will cross armed in front of your families; they will help you

So Joshua and {all the fighting men} went up immediately to Ai. Joshua chose thirty thousand of the best fighting men and sent them [by] night.

So Joshua went up from Gilgal, he and {all the fighting men} with him, {all the best warriors}.