1) about, concerning, on account of, because of, around, near
Part of Speech: preposition
Citing in TDNT: 6:53, 827
From the base of G4008; properly through (all over), that is, around; figuratively with respect to; used in various applications, of place, cause or time (with the genitive case denoting the subject or occasion or superlative point; with the accusative case the locality, circuit, matter, circumstance or general period): - (there-) about, above, against, at, on behalf of, X and his company, which concern, (as) concerning, for, X how it will go with, ([there-, where-]) of, on, over, pertaining (to), for sake, X (e-) state, (as) touching, [where-] by (in), with. In compounds it retains substantially the same meaning of circuit (around), excess (beyond), or completeness (through).
|c about (time)||67.35|
|a around (location)||83.18|
|g with regard to (specification)||89.6|
|d because (reason)||89.36|
|f with (association)||89.110|
|b about (content)||90.24|
|e on behalf of (benefaction)||90.39|
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 περί; click on the second column to search for that grammatical form of the root περί; click on the third column to search for that word and grammatical form; click on the total to search for the root περί.