Lexical Definition

‎τηλικοῦτος‎ tēlikoûtos (tay-lik-oo'-tos) so great ^G:D
from a compound of ‎ὁ‎ with ‎ἡλίκος‎ and ‎οὗτος‎

so great, so mighty.

• such as this, i.e. (in (figurative) magnitude) so vast

Abbott-Smith

* τηλικοῦτος, -αύτη, -οῦτο (altern. of τηλικόσδε, -ήδε, -όνδε, strength­ened form of τηλίκος), [in LXX: II Mac 12:3, III Mac 3:9, IV Mac 16:4 * ;]
1. of persons,
(a) of such an age, so old;
(b) so young.
2. Of things, so great: II Co 1:10, He 2:3, Ja 3:4, Re 16:18.†

Abbott-Smith References

Liddell-Scott-Jones

τηλικοῦτος, ήδε, όνδε,

and τηλῐκοῦτος, αύτη, οῦτον (also τηλικοῦτος as feminine, [Refs 5th c.BC+]; and -οῦτο in neuter, [Refs 2nd c.AD+], strengthened forms of τηλίκος (as ὅδε, οὗτος of ὁ, τημοῦτος of τῆμος,

__A see at {οὗτος} A); the latter being more common in Prose:
__A.I of persons, of such an age, usually meaning so old, with a participle, τηλικόσδ᾽ ὤν [Refs 5th c.BC+]participle, τηλικόσδε, τηλικοῦτος, [Refs 5th c.BC+]; νοῦς τηλικοῦτος the mind of one so old as he is, [Refs 5th c.BC+]
__A.I.2 of degrees of youth, so young, τηλικάσδ᾽ ὁρῶν πάντων ἐρήμους girls of so tender age, [Refs 5th c.BC+]; ἀεί σε κηδεύουσα.. τηλικοῦτος[Refs 5th c.BC+]
__A.I.3 repeated in opposed to senses, οἱ τηλικοίδε καὶ διδαξόμεσθα δὴ φρονεῖν ὑπ᾽ ἀνδρὸς τηλικοῦδε τὴν φύσι; shall we old as we are take lessons forsooth from one so young? [Refs 5th c.BC+]; σὺ ἐμοῦ σοφώτερος εἶ τηλικούτου ὄντος τηλικόσδε ὤν you though so young are wiser than I though so old, [Refs 5th c.BC+]
__A.II so great, so large, ={τόσος, τοσόσδε, ἐμὲ τηλικόνδε ὄντα} the size I am, [Refs 3rd c.BC+]; τὰ τ. [Refs 5th c.BC+]; ἀνὴρ τ. ὤν being so great, [Refs 5th c.BC+]; ἡ τ. ἀρχή, τ. ἔχθρα, [Refs 5th c.BC+]; τ. κακά, τ. ἀγαθόν, [Refs 5th c.BC+]; τ. [ἀδικήματα] [Refs 5th c.BC+] —τηλικοῦτος is frequently conjoined with τοιοῦτος and τοσοῦτος, νησύδρια τοιαῦτα καὶ τ. so small, [Refs 5th c.BC+]