2. Noun. (US regional) Concern, affair. ¹
3. Noun. (US regional) Consequence; significant change in or effect on a situation or state; difference. ¹
4. Verb. (US regional) To ignore. ¹
5. Verb. (misspelling of never mind) ¹
¹ Source: wiktionary.com
Definition of Nevermind
1. [n -S]