IPA: /ˌmɪsədˈvaɪz/
KK: /mɪsədˈvaɪz/
To give incorrect advice to someone.
He misadvised her on how to invest her money.
Past: misadvised
Past Participle: misadvised
Misadvise → It is formed from "mis-" (meaning wrongly or badly) and "advise" (from Latin "advisare", meaning to consider or deliberate). The word "misadvise" means to give wrong or bad advice.
Think of giving advice 'wrongly' ('mis-') — that's what misadvise means.