Indistinguishing is a word that describes something that is hard to differentiate or distinguish from something else. Synonyms for this word include ambiguous, unclear, or vague. These words imply that there is a lack of distinction between two or more things, making it difficult to separate them. Other synonyms for indistinguishing include undifferentiated, unidentifiable, or unrecognizable. Using these words in place of indistinguishing can help to add nuance or specificity to a description, making it easier for readers to understand what is being described. Whether it's used in spoken or written language, having a rich vocabulary can help to convey complex ideas more effectively.