frizzier; frizziest
Definition of frizzy
of hair
: not smooth and neat because individual shafts are variably wavy and do not align together
When hair is frizzy or damaged, its outer cover, or cuticle, is riddled with lifted or missing sections that allow the hair's inner cortex to soak up hair-swelling moisture.— Victoria Clayton
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Merriam-Webster unabridged
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Time Traveler for frizzy
The first known use of frizzy was circa 1864
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