Extended Strong's Greek Lexicon (Abbott-Smith based)
to quarrel
Usage: μάχομαι [in LXX chiefly for רִיב, also for נָצָה ni., etc. ;] __1. to fight: Act.7:26. __2. to quarrel, dispute: 2Ti.2:24, Jas.4:2; πρὸς ἀλλήλους, Jhn.6:52 (cf. δια-μάχομαι).† (AS)