Soft, light, and airy material or substance, often used as padding or filling. The pillow was filled with soft fluff to make it more comfortable.
A mistake or error, especially in a performance or speech. The actor made a fluff during the live broadcast, but quickly recovered.
Something of little substance or importance; trivial or superficial content. The article was mostly fluff, lacking any real depth or analysis.
A small, light piece of material, such as a tuft of wool or cotton. She picked a piece of fluff off her sweater before entering the meeting.