1) one who takes the supervision of affairs pertaining to others and in no wise to himself, a meddler in other men's affairs
Part of Speech: noun masculine
Citing in TDNT: 2:620, 244
From G245 and G1985; overseeing others' affairs, that is, a meddler (specifically in Gentile customs): - busybody in other men's matters.
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 ἀλλοτριεπίσκοπος; click on the second column to search for that grammatical form of the root ἀλλοτριεπίσκοπος; click on the third column to search for that word and grammatical form; click on the total to search for the root ἀλλοτριεπίσκοπος.