Lexical Definition

‎ἀνέγκλητος‎ anénklētos (an-eng'-klay-tos) irreproachable ^G:A
from ‎Α‎ (as a negative particle) and a derivative of ‎ἐγκαλέω‎

blameless.

• unaccused, i.e. (by implication) irreproachable

Abbott-Smith

** ἀν-έγκλητος, -ον (< ἀ-, ἐγκαλέω), [in LXX: III Mac 5:31*;]
not to be called to account, unreprovable: I Co 1:8, Col 1:22, I Ti 3:10, Tit 1:6, 7.†
SYN.: ἄμεμπτος, ὀνεπίλημπτος (v. Tr., Syn., § ciii; Cremer, 742; MM, VGT, s.v.).

Abbott-Smith References

Liddell-Scott-Jones

ἀνέγκλητος-τος, ον,

without reproach, blameless, [Refs 5th c.BC+]. adverb -τως[Refs 4th c.BC+]

__II giving no ground for dispute, ἀ. τὰς οὐσίας πρὸς ἀλλήλους κατασκευάζεσθαι[Refs 5th c.BC+]. adverb -τως, ἔχειν[Refs 4th c.BC+]
__III active in adverb -τως uncomplainingly, [Refs 1st c.AD+]