Synonyms and related words :
blurred, choked, choking, croaking, drawling, drawly, dysphonic, guttural, harsh, hawking, hoarse, inarticulate, indistinct, lisping, mispronounced, muzzy, nasal, quavering, shaking, shaky, snuffling, stifled, strangled, thick, throaty, tremulous, twangy, velar