Strong's #3921: pareisduno (pronounced par-ice-doo'-no)
from 3844 and a compound of 1519 and 1416; to settle in alongside, i.e. lodge stealthily:--creep in unawares.
Thayer's Greek Lexicon:
́
pareisdunō
1) to enter secretly, slip in stealthily
2) to steal in
Part of Speech: verb
Relation: from G3844 and a compound of G1519 and G1416
Usage:
This word is used 1 times:
Jude 1:4: "For there are certain men crept in unawares, who were before of old ordained to this"