Lexical Definition

‎ἄνιπτος‎ ániptos (an'-ip-tos) unwashed ^G:A
from ‎Α‎ (as a negative particle) and a presumed derivative of ‎νίπτω‎

unwashen.

• without ablution

Abbott-Smith

* ἄνιπτος, -ον (ἀ. neg., νίπτω),
unwashed: Mt 15:20, Mk 7:2 (5 Rec).†

Abbott-Smith References

Liddell-Scott-Jones

ἄνιπτος, ον,

unwashen, χερσὶ δ᾽ ἀνίπτοισιν (variant{-ῃσιν}) Διὶ λείβειν.. ἅξομαι[NT+8th c.BC+] i.e. unprepared, [Refs 2nd c.AD+]

__2 not to be washed out, αἷμα[Refs 4th c.BC+]

_{LSJ Scripture Refs: Matt.15.20}