The word "undistinct" refers to something that lacks clarity or distinction. Some synonyms for this word include vague, indistinct, blurred, unclear, hazy, and ambiguous. Each word describes the lack of clarity in their own unique way. Vague implies a general lack of knowledge or detail. Indistinct refers to something that is difficult to see or hear clearly. Blurred and unclear both describe something that is difficult to see or read. Hazy refers to something that is not well-defined or that appears to be shrouded in mist. Ambiguous is used to describe something that is open to more than one interpretation. Each of these synonyms can be used to convey the same idea of something that lacks clarity, precision, or distinction.