| A | B |
| misbehave | to act badly or in the wrong way |
| mischievous | teasing; full of tricks; naughty |
| miserable | feeling badly or feeling unhappy |
| misfortune | bad luck |
| misjudge | to make a wrong or unfair decision about someone |
| mislead | to be a bad influence; guide someone in the wrong direction |
| misspell | to spell a word wrong |
| mistake | a bad or wrong decision; an error |
| mistreat | to treat someone badly |
| misunderstand | to think the wrong thing about what was said |