anapleroo denotes bringing something to completion, supplying what is lacking, or filling an unlearned person's place.

The attested uses chiefly describe bringing a stated measure, prophecy, or obligation to completion; they also describe supplying a deficiency and, in one clause, filling the place of an unlearned person.

1. Bring a stated matter to completion · dominant

   In 1 Thessalonians 2:16, the aorist active infinitive occurs in the clause about always completing the measure of sins; the APB renders this “completing the measure of their sins.” In Galatians 6:2, the future active indicative follows bearing one another's burdens, and the APB renders the result “you will fulfill the law of Christ.” In Matthew 13:14, the present passive indicative is used of Isaiah's prophecy in them; the APB renders it “the prophecy of Isaiah is fulfilled in them.”

   1 Thessalonians 2:16Galatians 6:2Matthew 13:14
2. Supply what is deficient · common

   In 1 Corinthians 16:17, the aorist active indicative is connected with the coming of Stephanas, Fortunatus, and Achaicus and the deficiency of the recipients; the APB renders the clause “they have supplied your deficiency.” In Philippians 2:30, the aorist active subjunctive is tied to service lacking toward Paul, with the APB rendering “he might supply what was lacking in your service to me.”

   1 Corinthians 16:17Philippians 2:30
3. Fill another person's place · occasional

   In 1 Corinthians 14:16, the present active participle identifies “the one who fills the place of the unlearned” in the question about saying Amen after thanksgiving; the APB renders the phrase “fills the place of the unlearned.”

   1 Corinthians 14:16

In the Anselm Project Bible: The APB varies its presentation among “completing,” “fulfill,” “fulfilled,” “supplied,” “supply what was lacking,” and “fills the place.” These are verse-level renderings rather than definitions.