Interjection

 An interjection is a part of speech that shows the emotion or feeling of a person. These words or phrases can stand alone or be placed before or after a sentence.  Usually, an interjection is followed by a punctuation mark, often an exclamation point. The interjections are specifically designed to convey emotion or feeling. However, they do not have any grammatical function in a sentence and are not related to the other parts of the sentence. That is why, some people believe that interjections are the least important part of speech and they are considered parenthetical. A few examples of interjection are – yes, no, indeed, well, wow, whoa, ouch, oh, oops, eureka, shh, gosh, huh, hurray, Garr, alas, bless you, oh gosh.

An interjection can be used in the beginning, middle or end of a sentence. However, it can also be used by itself as a stand-alone sentence.

Interjections are mostly used in speech, not in formal or academic writing. There are thousands of interjections in English language and most of them are designed to express strong emotions, such as love, hate, surprise, happiness, impatience, anger, disgust, enthusiasm, boredom, confusion or unhappiness. However, some interjections can express either a mild emotion, or can be expressions, such as ’Excuse me.’ Strong and powerful interjections are followed by an exclamation mark, while mild interjections are usually set off from the rest of the sentence with a simple comma.

Example of some interjection or exclamation