Bad-mouthed is a term used to describe someone who speaks negatively about another person. Dissed (6 letters) is a slang term for disrespecting or insulting someone. Knocked (7 letters) is a term used to describe someone who speaks critically of another person. Smeared (7 letters) is a term used to describe someone who spreads false information about another person. Defamed (7 letters) is a term used to describe someone who makes false and damaging statements about another person. Randown (7 letters) is a term used to describe someone who speaks harshly and critically about another person. Dumpedon (8 letters) is a term used to describe someone who is subjected to verbal abuse. MALIGNED (8 letters) is a term used to describe someone who is spoken about in a negative way. All of these terms are used to describe someone who bad-mouths another person.