'Completely' in the Bible

and [that He] might free all those who through [the haunting] fear of death were held in slavery throughout their lives.

Therefore He is able also to save forever (completely, perfectly, for eternity) those who come to God through Him, since He always lives to intercede and intervene on their behalf [with God].

For by the one offering He has perfected forever and completely cleansed those who are being sanctified [bringing each believer to spiritual completion and maturity].

and you have forgotten the divine word of encouragement which is addressed to you as sons,“My son, do not make light of the discipline of the Lord,And do not lose heart and give up when you are corrected by Him;