1) to come in secretly or by stealth, or creep or steal in
2) to enter in addition, come in besides
Part of Speech: verb
Citing in TDNT: 2:682, 257
From G3844 and G1525; to come in along side, that is, supervene additionally or stealthily: - come in privily, enter.
|slip into a group||34.30|
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 παρεισέρχομαι; click on the second column to search for that grammatical form of the root παρεισέρχομαι; click on the third column to search for that word and grammatical form; click on the total to search for the root παρεισέρχομαι.