PRONUNCIATION: (grayt gunz)

MEANING: noun: Someone or something impressive.
adverb: With energy and enthusiasm; successfully.
interjection: Expressing surprise or disbelief.

ETYMOLOGY: In the beginning, great gun referred to a large firearm that required mounting. Eventually it came to be applied metaphorically. The adverbial use started in horse races. Earliest documented use: 1430.

GROAT GUNS - ditto for kernels of grain

GREAT RUNS - record-breaking streaks of anything

GRE AT UNS - prerequisite for admission for graduate study at the University of Nova Scotia