Lexical Definition

‎ἀρκετός‎ arketós (ar-ket-os') sufficient ^G:A
from ‎ἀρκέω‎

enough, suffice (-ient).

• satisfactory

Abbott-Smith

**† ἀρκετός, -ή, -όν (< ἀρκέω), [in Aq.: De 25:2*;]
sufficient: Mt 6:34 (on the neut., v. Bl., § 31, 2); seq. ἵνα (M, Pr., 210), Mt 10:25; c. inf., I Pe 4:3 (for exx., v. Deiss., BS, 257; MM, s.v.).†

Abbott-Smith References

Liddell-Scott-Jones

ἀρκετός-ετός, ή, όν,

sufficient, Chrysipp.Tyan. cited in [NT+2nd c.AD+]: with infinitive, [Refs 1st c.AD+]; of persons, satisfactory, ἀ. γενοῦ[Refs 2nd c.AD+]; ἀρκετόςετόν [ἐστι] it is enough, with infinitive, [Refs 2nd c.AD+]. adverb -τῶς[Refs]

_{LSJ Scripture Refs: Matt.6.34}