magnificent; sublime; vigorous; bold
Literary word describing something grand, powerful, and awe-inspiring, often used for landscapes, art, or writing.
His calligraphy is known for its bold and vigorous brushwork.
I was overwhelmed by the magnificent natural scenery.
The exact derivation is uncertain; the kanji 雄 (male, heroic) and 渾 (all, whole, turbid) combine to suggest a sense of overwhelming, undiluted power.