Silvertongued refers to someone who is eloquent, articulate, and persuasive. The antonyms for this word would be clumsy, inarticulate, and tongue-tied. A clumsy speaker is someone who frequently stumbles over their words and struggles to express themselves clearly. An inarticulate person may have difficulty finding the right words to convey their thoughts and ideas. Tongue-tied individuals are incapable of expressing themselves clearly, indicating that they cannot effectively communicate their thoughts or ideas to others. These antonyms for silvertongued may be used to describe people who are less skilled in communication, may struggle with public speaking or have difficulty articulating their thoughts clearly.