ain't /e?nt/
1. Nonstandard except in some dialects. am not; are not; is not.
2. Nonstandard. have not; has not; do not; does not; did not.
[Origin: 1770–80; var. of amn't (contr. of am not) by loss of m and raising with compensatory lengthening of a; cf. aren't]
—Usage note As a substitute for am not, is not, and are not in declarative sentences, ain't is more common in uneducated speech than in educated, but it occurs with some frequency in the informal speech of the educated, especial
ain't /e?nt/ 1. Nonstandard except in some dialects. am not; are not; is not. 2. Nonstandard. have not; has not; do not; does not; did not. [Origin: 1770–80; var. of amn't (contr. of am not) by loss of m and raising with compensatory lengthening of a; cf. aren't] —Usage note As a substitute for am not, is not, and are not in declarative sentences, ain't is more common in uneducated speech than in educated, but it occurs with some frequency in the informal speech of the educated, especial