Quick Definition
misleading, a deceiver
Strong's Definition
roving (as a tramp), i.e. (by implication) an impostor or misleader;
Derivation: of uncertain affinity;
KJV Usage: --deceiver, seducing
Thayer's Greek Lexicon
πλάνος, πλανον, wandering, roving; transitively and tropically, misleading, leading into error: πνεύματα πλανᾷ, 1Ti_4:1 (πλάνοι ἄνθρωποι, Josephus, b. j. 2, 13, 4). ὁ πλάνος substantively (Cicero, others,planus), as we say, a vagabond, 'tramp,' impostor (Diodorus, Athen., others); hence, universally, a corrupter, deceiver, (Vulg.seductor): Mat_27:63; 2Co_6:8; 2Jn_1:7. (Cf. ὁ κοσμοπλάνος, 'Teaching' etc. 16, 4 [ET].)
Mounce Concise Greek Dictionary
πλάνος planos 5x
a wanderer, vagabond; also act. deceiving, seducing; a deceiver, impostor, Mat_27:63 ; 2Co_6:8 ; 1Ti_4:1 ; 2Jn_1:7
Abbott-Smith Greek Lexicon
πλάνος , -ον ,
[in LXX : Job_19:4 ( H4879 ), Jer_23:32 * ;]
1. wandering .
2. leading astray, deceiving: πνεύματα Papyri, 1Ti_4:1 . As subst ., ὁ Papyri, a deceiver, impostor: Mat_27:63 , 2Co_6:8 ; 2Co_6:1-18 :2Jn_1:7 .†
Moulton & Milligan — Vocabulary of the Greek NT
πλάνος [page 516]
misleading, deceiving ( 1Ti_4:1 ) : Vett. Val. p. 74 .18 ποιεῖ γὰρ μάγους πλάνους θύτας .
Liddell-Scott — Intermediate Greek Lexicon
πλάνος πλά^νος, ον, act. "leading astray, cheating, deceiving", Theocr. , Mosch. πλάνος, ῀ πλάνη, "a wandering, roaming, straying", Soph. , Eur. , etc. metaph., φροντίδος πλάνοι "the wanderings" of thought, Soph. ; but, πλ. φρενῶν "wandering" of mind, madness, Eur. ; πλάνοις "in uncertain fits", of a disease, Soph. ; κερκίδος πλάνοι, of the act of weaving, Eur. of persons, πλάνος, "a deceiver, impostor", NTest.
STEPBible — Tyndale Abridged Greek Lexicon
πλάνος, -ον
[in LXX: Job.19:4 (מְשׁוּגָה), Jer.23:32 * ;]
__1. wandering.
__2. leading astray, deceiving: πνεύματα π., 1Ti.4:1. As subst., ὁ π., a deceiver, impostor: Mat.27:63, 2Co.6:8 6:1-18 2Jn.1:7.†
(AS)