Lexical Definition

‎φρεναπατάω‎ phrenapatáō (fren-ap-at-ah'-o) to deceive ^G:V
from ‎φρεναπάτης‎

deceive.

• to be a mind-misleader, i.e. delude

Abbott-Smith

*† φρεν-απατάω, -ῶ (< φρεναπάτης),
to deceive one's mind (Lft., deceive by fancies, v. Ga., l.c.): c. acc. pers., Ga 6:3.†

Abbott-Smith References

Liddell-Scott-Jones

φρεναπατάω-άω,

deceive, ἑαυτόν [NT]

_{LSJ Scripture Refs: Gal.6.3}