Interjection — Definition and Examples
What is an interjection?
An interjection is a part of speech that indicates a short expression of sudden strong emotions, moods, or feelings. There are three types of interjections: cognitive, emotive, and volitive.
Cognitive: Cognitive interjections are used in an exclamatory way and typically convey feelings individuals have through their understanding of an experience.
Examples: Aha, bingo, gosh, huh, and oh
Emotive: Emotive interjections express emotions, such as surprise, delight, sorrow, disgust, and fear.
Examples: Ah, yikes, blah, yuck, and ugh

Volitive: Volitive interjections consist of commands, requests, and wishes.
Examples: Ahem, hey, psst, and shh
Interjection grammar
When using interjections, the following English grammar rules apply:
Rule 1: Standalone
Interjections can work as standalone sentences.