If you want to express the notion of "blurriness" in different words, you could use synonyms like fuzziness, haziness, indistinctness, vagueness, or obscurity. Fuzziness suggests something that lacks sharpness or clarity. Haziness refers to visual perception that is partly obscured or misty. Indistinctness points to an image or object that lacks clear or sharp delineation. Vagueness implies a lack of clear or distinct detail or character. Finally, obscurity conveys the impression of something that is hard to distinguish or that is hidden or unclear. By using these varied synonyms, you can add descriptive richness and nuance to your verbal communications.