noun, na-adjective
bold and boorish; rough and unrestrained
Describes a person or behavior that is uninhibited and forceful but also crude, lacking refinement. Often used in literary or critical descriptions of character.
彼の豪放粗野な振る舞いに、周囲は戸惑った。
People around him were bewildered by his bold and boorish behavior.
その武将は豪放粗野だが、部下からは慕われていた。
That warlord was rough and unrestrained, but he was admired by his subordinates.
Compound of 豪放 (bold, unrestrained) and 粗野 (crude, boorish). The exact historical derivation is uncertain, but the combination is straightforwardly descriptive.