BACKBITE
backbite, bitch
(verb) say mean things
Source: WordNet® 3.1
Etymology
Verb
backbite (third-person singular simple present backbites, present participle backbiting, simple past backbit, past participle backbitten)
To make spiteful slanderous or defamatory statements about someone.
(informal) To attack from behind or when out of earshot with spiteful or defamatory remarks.
To speak badly of an absent individual.
Synonyms
• See also defame
Noun
backbite (plural backbites)
One who engages in backbiting; a backbiter.
Anagrams
• bite back
Source: Wiktionary
Back"bite`, v. i. Etym: [2nd back, n., + bite]
Definition: To wound by clandestine detraction; to censure meanly or
spitefully (as absent person); to slander or speak evil of (one
absent). Spenser.
Back"bite`, v. i.
Definition: To censure or revile the absent.
They are arrant knaves, and will backbite. Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition