Ain't

· “Ain't” is a colloquialism and a contraction originally used for "am not", but also used for "is not", "are not", "has not", or "have not" in the common vernacular.


· It is also used for “do not”, “does not”, or “did not” in some varieties of Black English.


· “Ain't” is still commonly used in the sense "am not".


· The word is a perennial issue in English usage.


· It is a word that is widely used by many people, but its use is commonly considered to be improper.


· Everyone uses it occasionally as part of a joking phrase or to convey a down-to-earth quality.