Quick Definition
διαμάχομαι v. I strive greatly, contend fiercely
Strong's Definition
from 1223 and 3164; to fight fiercely (in altercation)
KJV Usage: strive
UBS Dictionary of the Greek New Testament
verb | μάχομαι
39.27 · Hostility, Strife · Strife, Struggle
to protest strongly, to contend with to fight or contend with, involving severity and thoroughness
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
δια-μάχομαι : impf. διεμαχόμην; to fight it out; contend fiercely: of disputants, Acts xxiii. 9. (Sir. viii. 1, 3; very freq. in Attic writ.)
Mounce Concise Greek Dictionary
διαμάχομαι diamachomai 1x
to fight out, to fight resolutely; met. to contend vehemently, insist, Acts 23:9*
Abbott-Smith Greek Lexicon
δια-μάχομαι
[in LXX for לחם ni., Da LXX 10:20; Si 8:1, 3 38:28 51:19 * ;]
to struggle against.
In argument, to contend: Ac 23:9.†
Liddell-Scott-Jones — Greek-English Lexicon
διαμάχομαι (diamachomai) — to contend sharply. διαμᾰχ-ομαι, future -μαχέσομαι (variant for{-μαχεσώμεθα} aorist subjunctive) [Refs 5th c.BC+]:—fight, contend, σιδήρῳ [Refs 5th c.BC+]; opposed to λανθάνειν, [Refs]; πρός τι variant in [Refs 5th c.BC+]; δ. μὴ μεταγνῶναι ὑμᾶς I resist to the uttermost your change of opinion, [Refs 5th c.BC+]
2. exert oneself, strive earnestly, περὶ τούτου ὅπως.. [Refs 5th c.BC+]
3. in argument, contend or maintain that.., with accusative et infinitive, [Refs]: with a negative, δ. τι μὴ εἶναι [Refs 5th c.BC+]; also δ. τι carry a point, [Refs]