• 豪快ごうかい — hearty; lively; dashing
• 豪華ごうか — luxurious; gorgeous
• 富豪ふごう — wealthy person; magnate
• 強豪きょうごう — powerhouse; strong contender
• 豪雨ごうう — heavy rain

豪 combines the radical 豕いのこ with components that suggest size and force. The core nuance is imposing strength or splendor—hence senses like “powerful,” “magnificent,” and “luxurious.” In compounds, it often marks vigor (豪快) or status (豪華, 富豪).