definition of interjection

Answer 1

• the act of interjecting.
• something interjected, as a remark.
• the utterance of a word or phrase expressive of emotion; the uttering of an exclamation.
• Grammar. - any member of a class of words expressing emotion, distinguished in most languages by their use in grammatical isolation, as Hey! Oh! Ouch! Ugh!
• any other word or expression so used, as Good grief! Indeed!

Answer 2

An interjection is a word or phrase that expresses a sudden or strong feeling, emotion, or reaction. It is often used to convey surprise, excitement, disgust, joy, or other emotions in a sentence. Interjections typically stand alone or come at the beginning of a sentence.