無ぶ礼れい講こう

noun, noun or participle which takes 'suru'

party where rank and formalities are set aside; free and easy gathering

A social event where participants are encouraged to ignore usual hierarchical or formal etiquette. Often used in workplace or organizational contexts.

• 今こん夜やは無ぶ礼れい講こうで行いきましょう。

  Let's forget about formalities tonight.

• 忘ぼう年ねん会かいは無ぶ礼れい講こうで盛もり上あがった。

  The year-end party was lively with everyone letting their hair down.