noun
informality; simplified etiquette; omission of formalities
Used in formal or written contexts to indicate that standard formalities or procedures are being omitted. Often appears in set phrases like 略儀ながら (though it is informal) or 略儀をもって (in an informal manner).
略儀ながら、書面にてご挨拶申し上げます。
Though it is informal, I extend my greetings in writing.
本日は略儀をもって失礼いたします。
Please excuse me for leaving without the usual formalities today.