2food that is fluffy is made soft and light by mixing it quickly so that a lot of air is mixed into it:
Cream the butter and sugar until the mixture is light and fluffy.
3fluffy clouds look light and soft
WORD FOCUS: soft WORD FOCUS: soft soft and pleasant to touch:velvety, fluffy, silky soft and easily crushed:squashy, squishy soft and wet:mushy, squelchyBrE informal soft and good to eat:tender ➔ See alsosoft
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.