An interjection is a word used to express strong emotions or immediate reactions. It can indicate joy, excitement, disgust, horror, or other feelings. Interjections are often used at the beginning of sentences to convey emotions. The video gives examples like "yes," "no," and "indeed" as interjections. It states that interjections are commonly used in speech without people realizing it. Some interjections are not part of formal English but are still used in speech and story writing, especially when writing dialogue to depict how someone is speaking.
Used to emphasize agreement or confirmation.
Using an agreed and often official or traditional way of doing things.
A strong feeling of disapproval and dislike at a situation.