'Least' in the Bible

You shall make a window [for light and ventilation] for the ark, and finish it to at least a cubit (eighteen inches) from the top—and set the [entry] door of the ark in its side; and you shall make it with lower, second and third decks.

and blinded the men who were at the entrance of the house, from the least important to the greatest, so they were unable to find the doorway.

And her brother and her mother said, Let the damsel abide with us a few days, at the least ten; after that she shall go.

I am not worthy of the least of all the mercies, and of all the truth, which thou hast shewed unto thy servant; for with my staff I passed over this Jordan; and now I am become two bands.