1) to fill up in turn
1a) in Col 1:24, the meaning is, 'what is wanting in the afflictions of Christ to be borne by me, that I supply in order to repay the benefits which Christ conferred on me by filling up the measure of the afflictions laid upon me'.
Part of Speech: verb
Citing in TDNT: 6:307, 867
From G473 and G378; to supplement: - fill up.
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root ἀνταναπληρόω; click on the second column to search for that grammatical form of the root ἀνταναπληρόω; click on the third column to search for that word and grammatical form; click on the total to search for the root ἀνταναπληρόω.