Digress vs. Interjection — What's the Difference?

To stray temporarily from the topic at hand, as in delivering a speech or engaging in a discussion.

An interjection is a word or expression that occurs as an utterance on its own and expresses a spontaneous feeling or reaction. It is a diverse category, encompassing many different parts of speech, such as exclamations (ouch!, wow!), curses (damn!), greetings (hey, bye), response particles (okay, oh!, m-hm, huh?), hesitation markers (uh, er, um) and other words (stop, cool).

(intransitive) To step or turn aside; to deviate; to swerve; especially, to turn aside from the main subject of attention, or course of argument, in writing or speaking.

A sudden, short utterance; an ejaculation.

(intransitive) To turn aside from the right path; to transgress; to offend.

The part of speech that usually expresses emotion and is capable of standing alone.

To step or turn aside; to deviate; to swerve; especially, to turn aside from the main subject of attention, or course of argument, in writing or speaking.

Any of the words belonging to this part of speech, such as Ugh! or Wow!

To turn aside from the right path; to transgress; to offend.

(grammar) An exclamation or filled pause; a word or phrase with no particular grammatical relation to a sentence, often an expression of emotion.

Digression.

An interruption; something interjected

Lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking;

The act of interjecting or throwing between; also, that which is interjected.

Wander from a direct or straight course

A word or form of speech thrown in to express emotion or feeling, as O! Alas! Ha ha! Begone! etc. Compare Exclamation.

An abrupt emphatic exclamation expressing emotion

The action of interjecting or interposing an action or remark that interrupts