Lexical Definition

‎παντελής‎ pantelḗs (pan-tel-ace') completely ^G:A
from ‎πᾶς‎ and ‎τέλος‎

+ in (no) wise, uttermost.

• full-ended, i.e. entire (neuter as noun, completion)

Abbott-Smith

** παντελής, -ές (< πᾶς, τέλος), [in LXX: III Mac 7:16 A*;]
all-complete, entire, perfect; εἰς τ. παντελές, completely, utterly: Lk 13:11, He 7:25 (where perhaps in temp. sense, finally; v. MM, xviii).†

Abbott-Smith References

Liddell-Scott-Jones

παντελής, ές,

all-complete, absolute, παντελῆ σάγην ἔχων [Refs 5th c.BC+]; πανοπλία, ἐλευθερία, μανία, [Refs 5th c.BC+]; π. δάμαρ mistress of the house, [Refs 5th c.BC+]; δήμου π. ψηφίσματα with full authority, [Refs 5th c.BC+]; π. ἐσχάραι complete tale of sacrificial hearths, [Refs]

__2 π. δύναμις ἁ τᾶς δεκάδος perfect, [Refs 5th c.BC+]
__II active, all-accomplishing, Ζεύς [Refs 5th c.BC+]
__III adverb παντελῶς, Ionic dialect -έως, altogether, utterly, with Verbs, διῶρυξ π. πεποιημένη [Refs 5th c.BC+]; παντελέως εἶχε τὸ οἴκημα it was quite finished, [Refs 5th c.BC+]; π. θανεῖν to die outright, [Refs 5th c.BC+]; οὐ π. not at all, [Refs 4th c.BC+]; from first to last, π. ἕως ἂν διεξέλθῃ διὰ πάντων [Refs 4th c.BC+]
__III.2 in answers, most certainly, παντελῶς γε [Refs 5th c.BC+]
__III.3 later εἰς τὸ παντελές, ={παντελῶς}, [NT+1st c.AD+]; = for ever, [Refs 3rd c.AD+]; κατὰ τὸ π. [Refs 1st c.AD+]

_{LSJ Scripture Refs: Luke.13.11}