noun, noun or participle which takes 'suru', transitive verb
failure to pay respects; omission of courtesy
Refers to neglecting to express proper greetings or thanks, often in formal or social contexts. Can be used as a noun or with する to mean 'to fail to pay one's respects'.
先輩に欠礼してしまい、後で謝った。
I failed to greet my senior and apologized later.
欠礼のないように気をつけて
Please be careful not to omit any courtesies.