逸いつ脱だつ

noun, noun or participle which takes 'suru', intransitive verb

deviation; departure; straying from a norm

Used when something departs from a rule, standard, normal course, topic, or expected range. As a する verb it is usually intransitive, commonly in the pattern 〜から逸脱する.

• その発はつ言げんは議ぎ論ろんの本ほん題だいから逸いつ脱だつしている。

  That remark departs from the main point of the discussion.

• 彼かれの行こう為いは社しゃ会かいの常じょう識しきから逸いつ脱だつしていた。

  His actions deviated from social common sense.

noun, noun or participle which takes 'suru', transitive verb, intransitive verb

accidental omission; missing text

Rare, specialized use for something being left out accidentally, especially in textual or editorial contexts. In ordinary modern Japanese, 脱落 or 漏れ is usually more transparent for this idea.

• 本ほん文ぶん校こう訂ていでは、「一いち字じの逸いつ脱だつ」は一いち字じが抜ぬけ落おちていることをいう。

  In textual editing, “one-character 逸脱” means that one character has been omitted.