(obsolete) Speaking ill; defamation, slander. / The fact or instance of speaking falsely or unclearly.

plural of misspeaking

(transitive, intransitive, chiefly US) To fail to pronounce, utter, or speak correctly. / (intransitive, obsolete) To speak insultingly or disrespectfully.

Third-person singular simple present indicative form of misspeak

plural of misspeaker

One who misspeaks.