Strong’s Lexicon
Definition - Deceiver, misleading, seducer
Word Origin - Derived from the Greek verb πλανάω (planaō), meaning “to lead astray” or “to deceive.”
Usage - The term “planos” is used in the New Testament to describe someone who leads others astray or is deceptive in nature. It conveys the idea of being a wanderer or one who causes others to wander from the truth. In a biblical context, it often refers to false teachers or prophets who mislead believers away from sound doctrine.
HELPS Word-studies
Cognate: 4108 plános (a substantival adjective, derived from 4105 /planáō, “wander”) – a deceiver, trying to get others to also veer off God’s course (path of safety). See 4105 (planáo).