讷涩 Traditional form: 訥澀 Pinyin (reading): nèsè Definitions: clumsy in speech tongue tied Characters: 讷 - inarticulate, slow; to mumble, to stammer 涩 - astringent, harsh, rough, uneven Traditional characters: 訥 - inarticulate, slow; to mumble, to stammer 澀 - astringent, harsh, rough, uneven