/ ˈspɑːkl; NAmE ˈspɑːrkl/ verb , noun
■ verb [ v ] sparkle (with sth)
1.
to shine brightly with small flashes of light :
sparkling eyes
Her jewellery sparkled in the candlelight.
➡ note at shine
2.
to be full of life, enthusiasm or humour :
He always sparkles at parties.
■ noun [ C , U ]
1.
a series of flashes of light produced by light hitting a shiny surface :
the sparkle of glass
( figurative )
There was a sparkle of excitement in her eyes.
2.
the quality of being lively and original :
The performance lacked sparkle.
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WORD ORIGIN
Middle English : frequentative (verb) or diminutive (noun) of spark .