'Securely' in the Bible

he is like a [far-sighted, practical, and sensible] man building a house, who dug deep and laid a foundation on the rock; and when a flood occurred, the torrent burst against that house and yet could not shake it, because it had been securely built and founded on the rock.

so that Christ may dwell in your hearts through your faith. And may you, having been [deeply] rooted and [securely] grounded in love,

After you have suffered for a little while, the God of all grace [who imparts His blessing and favor], who called you to His own eternal glory in Christ, will Himself complete, confirm, strengthen, and establish you [making you what you ought to be].

And he overpowered and laid hold of the dragon, that old serpent [of primeval times], who is the devil and Satan, and bound him [securely] for a thousand years (a millennium);