overpowering, great, powerful, excelling, Australia
豪 centers on overwhelming strength and excellence: something overpowering, great, or powerful. The Australia sense is a modern abbreviation derived from the kanji's use in the country's name.
豪 combines 豕 (pig) with a phonetic component derived from 高 (tall, high). The pig was associated with bristly, strong, or fierce qualities, giving the sense of powerful or great. The modern form is a simplification of the older 高+豕 structure.
A tall (亠 over 口) roof (冖) covers a powerful pig (豕). This pig is so strong and great that it's overpowering—a truly excellent animal.
For ゴウ, imagine a great, powerful sumo wrestler named Gou. He is so overpowering that he excels in every match: Gou -> ゴウ.
extravagant; lavish; opulent; luxurious; magnificent; splendid; fancy; gorgeous
Australia
torrential rain; heavy rain; cloudburst; downpour
wealthy person; millionaire
hearty; tremendous; magnificent; glorious; splendid; heroic; stirring
overwhelming strength; extremely strong person; powerhouse; very strong player; very strong team
literary master
magnificent house; luxurious home; palatial residence; stately mansion
Australia
boasting; big talk; bombast
tremendous snowfall; heavy snow
great swordsman; master fencer
powerful family; powerful clan
extravagant spree; wild merrymaking; living it up
grand; luxurious; lavish; sumptuous
heavy drinker
hero; bold person; daring person; great person; extraordinary person
Australian Open (tennis)
strong arm; stout arm
wealthy merchant