silly or scatterbrained (typically used of a woman)

a ditzy blonde

don't tell me my ditzy secretary didn't send you an invitation!

(especially of a fabric or print) having a pattern of small, randomly scattered motifs, typically flowers

romantic and bohemian styles in floaty fabrics and ditzy prints

a fabric or print having a pattern of small, randomly scattered motifs, typically flowers

from timeless tartans to stripes and small ditzys