Usage: 5 forms in 5 verses
Form Translated As     In Verse(s)
παχύτετοσ thicker than LXX.2Chr.10.10
παχύ robust LXX.Ezek.34.3
παχυτέρα thicker than LXX.1Kgs.12.10
παχείσ thick LXX.Ps.144.14
παχέοσ thick LXX.Isa.28.1

Liddell-Scott-Jones

παχύς (pachus) robust G:A--C

παχύς, εῖα

(Ionic dialect -έα[Refs 5th c.BC+], , thick, stout, χειρὶ παχείῃ [Refs 8th c.BC+]; of trees,[Refs 4th c.BC+]; later of persons, περὶ σφυρὸν παχεῖα, μισήτη γυνή thick-ankled, [Refs 7th c.BC+]; fat, οἱ παχύτατοι τῶν παίδων [Refs 5th c.BC+]; π. γυνή [Refs]; χοῖρος π., ὗς π., [Refs 5th c.BC+]: metaphorically, of soil, rich, fertile, [Refs 5th c.BC+]; π. τράπεζα a well-spread table, [Refs 2nd c.AD+] adverb, παχέως διαιτᾶσθαι[Refs]

__2 of inorganic things, thick, massive, π. λᾶας [Refs 8th c.BC+]; π. δραχμή a thick drachma, i. e. the Aeginetan, which weighed more than the Attic, [Refs 2nd c.AD+], ={δίδραχμον}; thick, coarse, opposed to λεπτός, ἱμάτιον [Refs 5th c.BC+]; of hair, [Refs 4th c.BC+]; π. τὴν σάρκα, of the pig, [Refs 4th c.AD+]. adverb coarsely, roughly, of stating or arguing, παχέως ὁρίζεσθαι, probably to be read instead of ταχέως, [Refs 4th c.BC+]; παχύτερον or -έρως, [Refs 5th c.BC+]
__3 of liquids, thick, curdled, clotted, αἷμα [Refs 8th c.BC+]; of marshwater, [Refs 5th c.BC+] of urine, [Refs 4th c.BC+]
__3.b τὰ παχέα καλούμενα νοσήματα, of certain diseases supposed to be due to thickened phlegm, [Refs 5th c.BC+]
__4 in Comedy texts, fat, great, π. πρᾶγμα, χάρις, [Refs 5th c.BC+]
__5 of timbre, thick, opposed to λεπτός, [Refs 4th c.BC+]. adverb, κορώνη παχέα κρώζουσα [Refs 4th c.BC+]
__6 of speech, coarse, heavy, διάλεκτος παχυτέρα [Refs 1st c.BC+]
__6.b ample, of periphrasis, [Refs 3rd c.AD+]
__7 of flame, dull, [Refs 4th c.BC+]
__II οἱ παχέες men of substance, the wealthy, [Refs 5th c.BC+]; ὃς ἂν π. [Refs]; ἀνὴρ π. [Refs]; compare πάχης.
__III Comedy texts and Prose, thick-witted, gross, stupid, ἀμαθὴς καὶ π. [Refs 5th c.BC+]; π. καὶ ἠλίθιοι, π. καὶ ἀπαίδευτοι, [Refs 5th c.BC+]; π. λόγος [Refs 2nd c.AD+]. adverb, παχύτερον ἔχειν τῆς ἀκοῆς [Refs 3rd c.AD+]
__IV proverbial, πηλοῦ παχύτερος, of a dullard, [Refs 4th c.BC+]
__V adverb -έως, see above
__VI comparative πάσσων, ον, [Refs 8th c.BC+]; πᾰχίων, ον, [Refs 4th c.BC+]: superlative πάχιστος [Refs 8th c.BC+] bhṇĝhú-, cf. Sanskrit bahús, Lett. biezs 'thick'.)