Strong's G2371 — θυμομαχέω (verb)
thumomacheo (thoo-mom-akh-eh'-o) v.
1. to be in a furious fight
2. (figuratively) to be exasperated
[from a presumed compound of G2372 and G3164]
KJV: be highly displeased 
Root(s): G2372, G3164 
Hebrew root: μάχομαι
Occurrences: 1